How much oxygen does the myocardium extract from the coronary arteries.
Answers
The amount of oxygen that the myocardium extracts from the coronary arteries is around 70-80% of the oxygen contained in the blood flowing through the arteries.
How much oxygen does the myocardium extract from the coronary arteries?The myocardium extracts about 70-80% of the oxygen contained in the blood flowing through the coronary arteries. The coronary arteries are responsible for supplying oxygen-rich blood to the heart. The myocardium is the heart muscle tissue that is responsible for contracting and pumping blood throughout the body.
The oxygenated blood flows through the coronary arteries and into the capillaries of the myocardium, where oxygen is extracted and utilized by the heart muscle cells to produce energy. The amount of oxygen extracted by the myocardium is critical for the heart to function properly, and any interruption in the blood flow to the heart can lead to serious consequences, such as a heart attack.
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Related Questions
The fatty tissue surrounding the kidneys is important because
it _______
A. produces vitamin D and other chemical needed by the kidney
B. is necessary as a barrier between the adrenal glands and kidneys
C. stabilizes th position of the kidnes by holding them in their normal position
D. ensures adequate energy for the adrenal glands to operate efficiently
Answers
The fatty tissue surrounding the kidneys is important because stabilizes the position of the kidneys by holding them in their normal position so the correct answer is option (c).
The fatty tissue surrounding the kidneys is important because it stabilizes the position of the kidneys by holding them in their normal position.The kidneys are essential organs in our bodies that help to remove waste products and excess fluids from the bloodstream. They also help to balance the levels of salt, potassium, and other electrolytes in the body. They are located in the lower back, on either side of the spine, and are surrounded by a layer of fatty tissue.
This fatty tissue serves to protect the kidneys from injury, and also helps to keep them in their normal position. Without this fatty tissue, the kidneys would be more vulnerable to injury and would be more likely to move out of their normal position.
In summary, the fatty tissue surrounding the kidneys is important because it stabilizes the position of the kidneys by holding them in their normal position.
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Which characteristics of sexual reproduction has specifically favored the survival of animals that live on land? * ASAP PLEASEE
1 point
A. fusion of gametes in the outside environment
B. male gametes that may be carried by the wind
C. fertilization within the body of the female
D.female gametes that develop within ovaries
Answers
Answer:
C. Fertilization within the body of the female
Identify one of the leadership values you would like to develop further over the course of the next year and propose an improvement plan (tasks, dates, measures of progress). Your plan should be specific, measurable, achievable, relavant and time bound. Leadership values are discussed in Chapter 7 of the text and you can find examples and lists through your own research. These values tend to define your "personal character" or "personal brand" and should be consistent with you actions and behaviour. Examples would include: honesty, hardworking, trustworthy, ethical, loyal, persistent, optimistic, motivating, encouraging, brave, caring, respectful, give and take responsibility, admit to mistakes and learn, accountable, reliable, keep promises, listen and coach others, take initiative, proactive, maintain stamina, positive attitude, etc.
Answers
By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
One leadership value I would like to develop further over the course of the next year is empathy. Empathy is a crucial leadership trait that involves understanding and sharing the feelings of others. It allows leaders to connect with their team members on a deeper level, foster positive relationships, and create a supportive work environment.
Improvement Plan for Developing Empathy:
Research and Study: (July - August): Read books and articles on empathy and its importance in leadership.Attend webinars or workshops focused on developing empathy skills.Engage in discussions with colleagues or mentors who possess strong empathetic qualities.Self-Assessment: (September): Reflect on my current level of empathy and identify areas for improvement.Evaluate past interactions with team members to identify instances where empathy could have been enhanced.Take note of personal biases or preconceptions that may hinder empathetic responses.Active Listening: (October - November): Practice active listening skills, focusing on truly understanding others without interrupting or judging. Demonstrate genuine interest in others' thoughts, feelings, and perspectives. Engage in conversations where I actively seek to understand rather than merely respond.Emotional Intelligence Development: (December - January): Enhance emotional intelligence by recognizing and managing my own emotions effectively. Develop a better understanding of how emotions impact the behavior and well-being of others. Explore strategies for regulating emotions and responding empathetically in challenging situations.Perspective-Taking: (February - March): Put myself in others' shoes to gain a deeper understanding of their experiences, challenges, and motivations.Seek opportunities to learn about the diverse backgrounds and perspectives of team members. Encourage open dialogue and create a safe space for team members to share their thoughts and feelings.Feedback and Reflection: (April - May): Seek feedback from colleagues, team members, and mentors regarding my progress in demonstrating empathy. Reflect on my interactions and evaluate how well I have applied empathy in different situations. Make adjustments based on feedback and continue to refine my empathetic approach.Measures of Progress: Regularly self-assess my empathetic responses and behaviors. Seek feedback from team members regarding their perception of my empathy. Notice an increase in open and honest communication within the team. Observe improved trust, engagement, and satisfaction among team members. Evaluate the frequency and quality of personal connections and relationships established with team members.By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
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safety laboratory rules
Answers
Answer:
please mark me brainliest
Explanation:
Know locations of laboratory safety showers, eyewashstations, and fire extinguishers. ...
Know emergency exit routes.
Avoid skin and eye contact with all chemicals.
Minimize all chemical exposures.
No horseplay will be tolerated.
Assume that all chemicals of unknown toxicity are highly toxic.
Answer:
Rule #1 - WALK
Rule #2 - PROPER LAB ATTIRE
Rule #3 - HANDLING CHEMICALS
Rule #4 - HANDLING EQUIPMENT
Rule #5 - BROKEN GLASS
Rule #6 - EYE WASH/SHOWER
Rule #7 - FIRE SAFETY
Rule #8 - EATING/DRINKING IN LAB
Rule #9 - CLEANING UP
Rule #10 - HAND WASHING
Explanation:
HELP PLEASE What is the correct percentage of time a cell spends in the Interphase and the Mitosis stages?
Answers
Answer:
20% in mitosis
80% in interphase
to be more exact it spends 78% in interphase and 22% in mitosis :)
Answer:
c
Explanation:
Which statement regarding rigor mortis in fish is true? Group of answer choices Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught. During rigor mortis, the water-holding capacity of the proteins is decreased, which makes fish flesh juicier than that of fish that have not undergone rigor mortis. Cooking fish prior to rigor mortis results in a tough-textured flesh. The stronger the rigor mortis is, the more delicate and desirable the texture of the flesh.
Answers
The true statement regarding rigor mortis in fish is as follows: Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught.
What is rigor mortis?Rigor mortis is a temporary stiffness of a body's muscles and joints following death.
Rigor mortis occurs in fish after the fish dies. The symptoms are as follows:
Harder textureContraction of musclesHowever, the appearance of the fish experiencing rigor mortis is dependent on the species of the fish.
Therefore, the true statement regarding rigor mortis in fish is as follows: Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught.
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The top sequence is A G C T G T.
The bottom sequence is A G C T G A T. A G C T G A T.
- insertion
- deletion
- substitution
Answers
Answer:
substitution
Explanation:
Answer:✔ insertion
Explanation:
Which complement pathway involves binding of complement proteins to the lipopolysaccharide layer of the bacterial cell wall?
Answers
Classic Pathway involves binding of complement proteins to the lipopolysaccharide layer of the bacterial cell wall
Bacteria are the prokaryotic and the unicellular organisms. They have a relatively simple cell structure then compared to the eukaryotic cells. They also do not possess any kind of membrane-bound organelles such as the nucleus. However, do they possess genetic material (DNA or the RNA) in the intracellular space called as the nucleoid
The Prokaryotic cells (i.e., Bacteria and the Archaea) are the fundamentally different from the eukaryotic cells that also constitute other forms of the life. Prokaryotic cells are defined by a much to simpler design than is found in eukaryotic cells.
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What global wind patterns have the greatest effect on weather in Georgia?
Answers
Answer:
Latitude and Prevailing Winds
Explanation:
Hope it help you brainiest plz and thank you!!!!
(Let me know if it's wrong just in-case:)
your friend says he read a newspaper article suggesting researchers identified a gene for laziness. how would you explain to him why this article is misleading?
Answers
To explain that the article that the friend is reading is misleading, you must let them know that it is very unlikely that a single gene is responsible for complex human behavior, such as laziness.
In the current era of modern technology, it is so easy for people to write and publish articles containing information about what is happening in the world. Unfortunately, the articles are not always 100% accurate. Some may be misleading, some others may be flat-out false and unreliable.
To identify whether a news article is false or misleading, there are several things that can be done:
If the information contained in the article can't be verified, it is most likely a false and misleading article. The sources must be verified by professionals.If the author of the article is not an expert, the article is most likely misleading.If the site where the article is found is not legitimate, the article is false and misleading article.To make sure whether an article is accurate, the first thing you can do is to trace its source. If the source is verified by experts and updated with the newest facts, then the article is reliable. It would be much more reliable if there are more than one reliable source for the article.
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1. A
is a set of instructions for preparing a specific food.
Answers
Answer: Recipe
Explanation:
noun
a set of instructions for preparing a particular dish, including a list of the ingredients required.
"An traditional Italian Recipe"
Recipe
NOUN - a set of instructions for preparing a particular dish, including a list of the ingredients required.
Sample the eatery's famous sauerbraten, which is made from a not-so-secret recipe of fresh cubed beef, gingersnaps, gravy and fluffy potato dumplings.
Spicy Pork Tenderloin with Apples and Sweet Potatoes Ingredientscooking spray
1 tablespoon ground ginger
1 tablespoon light brown sugar
1 teaspoon chipotle chili powder, or to taste
salt and ground black pepper to taste
2 (1 1/2 pound) pork tenderloins
4 apples, peeled and cut into 8 pieces each
1 large sweet potato, peeled and cut into 1 1/2-inch pieces
4 tablespoons butter, cut into small pieces
1 ½ cups apple cider
1 lime, juiced
½ teaspoon granulated garlic
½ teaspoon ground ginger
⅛ teaspoon chipotle chile powder
⅛ teaspoon garam masala
salt and ground black pepper to taste
aluminum foil
Add All Ingredients To Shopping List
DirectionsInstructions Checklist
Step 1
Preheat the oven to 425 degrees F (220 degrees C). Spray a 9x13-inch baking dish with cooking spray.
Step 2
Mix together 1 tablespoon ginger, brown sugar, 1 teaspoon chili powder, salt, and pepper in a bowl to create a rub. Rub combined seasonings on all sides of the pork tenderloins, using the entire amount.
Step 3
Place apples and sweet potatoes in the bottom of the prepared pan; dot with butter.
Step 4
Mix together apple cider, lime juice, garlic, 1/2 teaspoon ginger, 1/8 teaspoon chili powder, garam masala, salt, and pepper in a bowl. Pour over apples and sweet potatoes and place tenderloins on top.
Step 5
Bake in the preheated oven for 20 minutes. Ladle cooking liquid over apples and sweet potatoes, turn tenderloins over, and continue baking until pork is slightly pink at the center, about 20 minutes longer. A meat thermometer placed in the center of the thickest tenderloin should read 145 degrees F (63 degrees C).
Step 6
Remove apples and sweet potatoes to a serving platter using a slotted spoon. Place tenderloins on top and cover with aluminum foil.
Step 7
Pour cooking liquid from the baking dish into a 1-quart saucepan. Heat over medium-high heat until liquid comes to a boil. Boil, stirring occasionally, until the mixture is reduced by one half, 10 to 15 minutes.
Step 8
Drizzle sauce over pork, apples, and sweet potatoes. Slice tenderloins and serve.
also this one, which type of crystal is this?
Answers
Answer: Looks similar to a smoky quartz.
Which of the two types of microscopes, reflective and transmissive, functions like that of a telescope? In what way?
Answers
The type of microscope that functions like a telescope is the reflective microscope.
This is because both the reflective microscope and a telescope use mirrors to reflect light and produce an image.
In a reflective microscope, the specimen is placed on a stage and light is shone onto it from above.
The light is then reflected off of the specimen and onto a series of mirrors, which magnify the image and direct it to the eyepiece. This is similar to how a telescope works, as it also uses mirrors to reflect light and produce an image.
In contrast, a transmissive microscope functions differently. In this type of microscope, the specimen is placed on a stage and light is shone through it from below.
The image is then produced by the light passing through the specimen and being magnified by a series of lenses before reaching the eyepiece.
Therefore, the reflective microscope is the type that functions like a telescope, as they both use mirrors to reflect light and produce an image.
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absolute time relates the age of an event to a(n) ___.
a. rock formation
b. unconformity
c. intrusion
d. fixed point in history
e. absolute time relates the age of an event to all the above.
Answers
Absolute time is a measure of the age of an event or object in terms of a fixed point in history. Option d is correct.
How old is absolute time?A number is an absolute age. These are absolute ages when you say things like "I'm 38 years old," "the dinosaurs went extinct 65 million years ago," or "the solar system formed 4.6 billion years ago."
How old are rocks in absolute terms?A rock's absolute age is expressed in years. Relative ages and absolute ages are very dissimilar. They are also determined in distinct ways. By using radiometric techniques like carbon-14 dating, absolute ages can be ascertained. These procedures rely on radioactive decay.
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1. The drawing shows a plant which reproduces through vegetative propagation.
a. Name the horizontal stem which you see in this kind of propagation. Also give one example of a commercially grown fruit whose plants are propagated in this way.
b. What would happen to the shoots A - C to become independent plants? How might a gardener assist this process?
Answers
Answer:
a. The horizontal stem which is seen in vegetative propagation is called a rhizome. A famous example of a commercially grown fruit whose plants are propagated in this way is ginger.
b. The shoots A - C will form adventitious buds, which will then grow into independent plants. A gardener can assist this process by ensuring the rhizomes are planted correctly and getting plenty of sunlight and water.
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compared to earlier hominids the increased body size in homo erectus is likely due to
Answers
The increased body size in Homo erectus compared to earlier hominids is likely due to improved adaptation to their environment, specifically for long-distance travel and endurance.
This larger body size provided them with greater strength and energy efficiency for covering larger distances and exploiting new habitats. It also aided in thermoregulation and heat dissipation, allowing them to survive in diverse climates. The increased body size of Homo erectus reflects an evolutionary response to the challenges and opportunities presented by their changing environment, enabling them to thrive and expand their range across different regions.
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The process of substances using a protein channel to help move from areas of high concentration to areas of low concentration without using cell energy is called: *
1. Diffusion
2. Active Transport
3. Facilitated duffusion
4. Osmosis
Answers
what features distinguish a plant cell from an animal cell
Answers
Plant cells can be distinguished from animal cells by their features such as the presence of a cell wall, chloroplasts, a large central vacuole, and plasmodesmata.
Plant cells and animal cells are two types of eukaryotic cells, but they have distinct features that differentiate them from each other.
One of the main distinguishing features is the presence of a cell wall in plant cells. The cell wall is a rigid structure made of cellulose that surrounds the cell membrane. It provides structural support and protection to the plant cell.
Another feature unique to plant cells is the presence of chloroplasts. Chloroplasts are organelles responsible for photosynthesis, the process by which plants convert sunlight into energy. They contain the pigment chlorophyll, which gives plants their green color. Animal cells do not have chloroplasts.
Plant cells also have a large central vacuole, which is a membrane-bound organelle that stores water, nutrients, and waste products. The central vacuole helps maintain turgor pressure, which is important for plant cell structure and support. In contrast, animal cells have smaller vacuoles or none at all.
Additionally, plant cells often have plasmodesmata, which are small channels that allow for communication and transport between adjacent plant cells. These channels facilitate the exchange of nutrients, hormones, and other molecules. Animal cells do not have plasmodesmata.
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Plant cells have a rigid cell wall, chloroplasts for photosynthesis, large vacuoles, and are connected by plasmodesmata. Animal cells lack a cell wall, chloroplasts, and have smaller vacuoles , these features differentiate plant cells from animal cells.
Cell Wall: Plant cells have a rigid cell wall composed primarily of cellulose. This wall provides structural support and protection, helping the plant maintain its shape. Animal cells lack a cell wall.
Chloroplasts: Plant cells contain chloroplasts, which are responsible for photosynthesis. Chloroplasts contain chlorophyll, a pigment that enables plants to capture sunlight and convert it into energy. Animal cells do not have chloroplasts.
Vacuoles: Plant cells typically have large central vacuoles that occupy a significant portion of the cell's volume. These vacuoles store water, nutrients, and waste products, contributing to cell turgidity and plant growth. Animal cells may have smaller vacuoles or several small vesicles.
Plasmodesmata: Plant cells are connected by plasmodesmata, which are channels that allow direct communication and transport of materials between adjacent cells. Animal cells do not possess this interconnected system.
Shape: Plant cells often have a more regular and fixed shape due to the presence of the cell wall, while animal cells tend to be more flexible in shape.
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Microalgae
Elodea
Maple leaf
Root hair
A. What structures do all of these cells have in common?
Answers
Answer:
They all have a nucleus, vacuole, cel wall and membranes.
Explanation:
Microalgae, elodea, maple leaf and root hair have nucleus, vacuole, cell wall and membranes in common.
These structures have some specific roles they perform.
Tge nucleus help to regulate the activities of the cells of these plants.
Vacuole is an empty place in the cytoplasm that is responsible for storage, digestion e.t.c.
Cell wall is the structural layer that surrond the cell and it give rigidity to the cell and protect the cell.
Cell membrane separate the internal part of the cell from it's environment.
Which of these describes the menstrual phase of the menstrual cycle?.
Answers
The four menstural phases are;
menstruationthe follicular phase, the ovulation luteal phase. What are Menstural phases?The term Menstural phases refers to the stages that a woman has to pass through as she completes the regular monthly cycle.
There are four menstural phases which are;
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Answer:
The menstrual phase is the first stage of the menstrual cycle. It's also when you get your period. This phase starts when an egg from the previous cycle isn't fertilized. Because pregnancy hasn't taken place, levels of the hormones estrogen and progesterone drop.
Explanation:
Which is the LEAST likely area sea snakes would live?
A) Atlantic Ocean
B) Southern Ocean
C) Indian Ocean
D) Pacific Ocean
Answers
Answer:
The Atlantic Ocean
Explanation:
Answer:
Atlantic Ocean
Explanation:
which of the following is a carbohydrate?
Answers
Answer:
Sucrose
Explanation:
Sucrose is a monosaccharide of a sugar (carbohydrate).
Stage of photosynthesis
Answers
Answer:
1.we exhale carbon dioxide while the plants inhale it
2.sunlight gets absorbed through leaves
3.plants take water up their roots
4.in return we get oxygen and the plants get glucose (or sugar to survive
reactants products
H2O+Sunlight+CO2==========>Glucose+O2
(PLS ANSWER)
what will help in preserving the environment to help prevent species extinction?
(ESSAY)
(PERFORMANCE TASK)
Answers
Things that can help in preserving the environment to help prevent species extinction are consuming less plastic, reducing pollution, using sustainable means of energy, avoiding habitat loss by protecting the forests, avoid hunting and poaching by introducing laws for protecting the endangered species.
Species extinction is the complete elimination of a species from an area. It can have an adverse effect in the ecological balance.
The major causes of the extinction are habitat loss, over exploitation, invasive species, and climate change.
The methods to reduce the extinction of a species is by providing special care and protection to the species, ensuring proper and scientific mating to increase population, minimizing habitat loss, pollution and climate change. Making laws for avoiding hunting and poaching is also important.
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which of the following factors does not contribute to muscle fatigue associated with prolonged exercise?
Answers
The factor that does not contribute to muscle fatigue associated with prolonged exercise is not explicitly mentioned in the question.
Muscle fatigue associated with prolonged exercise is a complex phenomenon influenced by various factors.
These factors can include metabolic changes, depletion of energy stores, accumulation of metabolic byproducts, impaired muscle contractility, and central nervous system fatigue.
However, the question does not specify which factor does not contribute to muscle fatigue.
To identify the factor that does not contribute to muscle fatigue, it would be necessary to consider factors that are known to play a role in muscle fatigue and exclude those that do not have a significant impact.
Some potential factors that might not contribute to muscle fatigue include psychological factors (e.g., motivation, attention), muscle fiber type distribution (as certain fiber types may be more resistant to fatigue), and genetic factors (individual variations in fatigue resistance).
However, without further information, it is not possible to determine the specific factor that does not contribute to muscle fatigue associated with prolonged exercise.
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Hello everyone, I need your help plz
Define the word Microbiology:-
Thx ^_^
Answers
Answer:
Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and protozoa. This discipline includes fundamental research on the biochemistry, physiology, cell biology, ecology, evolution and clinical aspects of microorganisms, including the host response to these agents.
it is the branch of biology that studies micro-organisms (very small organisms). ... The scientific study of microorganisms. (biology) The branch of biology that deals with microorganisms, especially their effects on man and other living organisms.
the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.
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Match the description with the corresponding fruit part.
1. the innermost protect layer around a fruit seed such as the shell of a peach pit
2. all the layers surrounding the seed of a fruit
3. the middle protective layer of a fruit seed; often the flavorful flesh
4. the outermost skin of a fruit
a. endocarp
b. pericarp
c. epicarp
d. mesocarp
Answers
Answer:edg
Explanation:
endocarp- the inner most protect
layer around fruit seed
pericarp- all the layers surrounding
mesocarp- the middle protective layer of fruit seed
epicarp- the outermost skin
How is molecular nitrogen (N2) utilized by plants and animals?
Before it can be utilized by plants and animals, molecular nitrogen (N2) must be converted by microbes that use N2 as a replacement for
Answers
Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. ... The nitrogen is passed through the food chain by animals that consume the plants, and then released into the soil by decomposer bacteria when they die.
Answer:
Oxygen ✓
Explanation:
That's it and it's actually simple and correct
PLEASEEEE HELP I REALLY DONT UNDERSTAND
Question #1: What is the approximate carbohydrate to protein ratios for each of the four drinks?
Question #2: Which drink best meets the requirement for a 4:1 carbohydrate to protein ratio? Explain.
I really want to pass this class, please help me. Thank you
Answers
1. The ratios for each drink are given as follows:
Chocolate milk: 3.25.Hydrating sports drink: 21.Fitness water: 1.Recovery sports drink: 2.5.2. The drink that best meets the requirement for a 4:1 carbohydrate to protein ratio is the chocolate milk drink.
How to calculate the ratio between two amounts?A ratio between two amounts a and b is calculated by the division of the amount a by the amount a.
Hence, for each drink, the carbohydrate to protein ratios are obtained dividing the amount of carbohydrates by the amount of proteins given by the bars.
Then these ratios are given as follows:
Chocolate milk: 26/8 = 3.25.Hydrating sports drink: 21/1 = 21.Fitness water: 1/1 = 1.Recovery sports drink: 20/8 = 2.5.The closest ratio to 4:1 = 4 is of:
3.25.
Hence the chocolate milk is the drink that best meets the requirement for a 4:1 carbohydrate to protein ratio.
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What time frame best describes when earthquakes occur?
a.Daily
b.Monthly
c.Yearly
d.Quarterly
Answers
Answer:
D
Explanation:
it mostly occurs quarterly
Quarterly time frame best describes when earthquakes occur.
What is earthquake and its causes?An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
Earthquakes are the result of sudden movement along faults within the Earth. The movement releases stored-up 'elastic strain' energy in the form of seismic waves, which propagate through the Earth and cause the ground surface to shake.
Over 80 per cent of large earthquakes occur around the edges of the Pacific Ocean, an area known as the 'Ring of Fire'; this where the Pacific plate is being subducted beneath the surrounding plates.
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