The breakdown of organic waste can lead to a decrease in the level of dissolved oxygen in water bodies. The correct option is (D) Dissolved oxygen.
When organic matter, such as dead plants or animal waste, decomposes in water, bacteria and other microorganisms consume the oxygen dissolved in the water as they break down the organic material. This process is known as biochemical oxygen demand (BOD).
As the organic waste breaks down and consumes the available oxygen, the dissolved oxygen levels in the water decrease. This reduction in dissolved oxygen can have negative effects on aquatic ecosystems and the organisms that rely on oxygen for their survival, such as fish and other aquatic animals.
In extreme cases, a decrease in dissolved oxygen can lead to hypoxia, which is a state of low oxygen levels that can result in the death of aquatic organisms.
Therefore, the breakdown of organic waste is associated with a decrease in dissolved oxygen.
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The graph shows the line of best fit for data in a scatterplot.
What does the line of best fit indicate about the correlation between the variables?
Answer: B
Explanation: Trust
You find yourself in a place that looks perfectly symmetrical. There is no way to ddistinguish one place from another, all forces are one, the temperature is ridiculously high, and a veritable zoo of weird subatomic particles is bombarding you from all directions as the particles keep appearing and disappearing. With this perfect symmetry, there is no obvious way to define the flow of time and confusion reigns. Where are you?
Most likely, you are in the early cosmos, more particularly, in the moments immediately following the Big Bang.
What is force?The interaction between two things or between an object and its surroundings is characterized by force, a physical quantity. One way to conceptualize it is as a push or pull that one thing puts on another. Force has both a magnitude (a numerical value) and a direction, making it a vector quantity.
The universe was extraordinarily hot and dense at this time, and all the fundamental forces of existence had merged into one force. A soup of subatomic particles, such as quarks, leptons, and gauge bosons, were also present in the cosmos, and they were continually interacting and annihilating one another, creating a chaotic and unpredictable environment.
It is challenging to meaningfully quantify the passage of time in these extreme circumstances. In fact, according to some scientists, time may have "emerged" during this initial stage of the universe's creation, meaning that it only came into being as the world cooled and expanded.
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Which type of bond forms disaccharides?
Answer:
Glycosidic Bond
Explanation:
Glycosidic bond is used to form disaccharides. When two monosaccharides joins together, a glycosidic bond is formed resulting in a disaccharide.
Answer:
glycosidic bond
Explanation:
Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.
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Question 4
1 pts
Cholesterol is made by the liver. It is a precursor to sex hormones and vitamin
D. It is also a part of our cell membranes. Cholesterol is
not an essential nutrient
an essential nutrient
O it depends on your medical conditions
O is essential to only vegans
Next >
< Previous
Answer: choice B
Explanation:
Cholesterol is an essential nutrient.
Despite many peoples beliefs that cholesterol is harmful, it's actually essential for your body to function. Cholesterol contributes to the membrane structure of every cell in your body. Your body also needs it to make hormones and vitamin D, as well as perform various other important functions. Excess amounts of dietry cholesterol intake can be harmful.
What is the name of serous membrane that lines the pericardial cavity
Answer:
Pleura
Explanation
Please help dont put down some answer please i will give you good review and lots of points.
Answer:
Planet Y
Explanation:
Planet Y has the smaller period because it takes less time to orbit the star. This is because it has less distance to travel compared to X.
What five functions does the skeleton perform?
GIVING BRAINLIEST! :3
Answer:
1. It gives the body its shape.
2. It provides protection for organs.
3. It helps and supports movement of your body.
4. It is responsible to make blood cells.
5. It stores minerals and fats.
Organize the levels of classification listed below in descending order.
a. Order
b. Genus
c. Phylum
d. Species
e. Class
f. Domain
g. Kingdom
h. Family
Answer:
f. Domain
g. Kingdom
c. Phylum
e. Class
a. Order
h. Family
b. Genus
d. Species
Write a question to match this answer:
6 boxes of 12
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles
Explanation:
mark me brainly
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles. How many truffles did she buy?
SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Flower Power fertilizer to see if it will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. The places one plant in a sunny window and waters it every day giving it fertilizer each day. He places the other plant on a shelf in a closet and waters it every day but does not give it any fertilizer. The plant in the sunny window ended up producing many more flowers than did the plant in the closet. Should SpongeBob conclude that giving Flower Power fertilizer to plants will cause the plant to produce more flowers
Answer:
No
Explanation:
It would be wrong for SpongeBob to conclude that giving flower power fertilizer helps the plant to produce more flowers based on the experimental design.
There are fundamental flaws in the experimental design that could make the conclusion to be wrong:
The two plants were not subjected to the same conditionsThe sample size is too smallIn order to investigate if the flower power fertilizer has the capacity to help the plant to produce more flowers, the two plants used should have been subjected to the same conditions barring only the fertilization application. Whatever difference that is observed in the number of flowers produced can then be attributed to the fertilizer.
Also, the number of plants for each group (with and without fertilizer) is too small to arrive at a reliable conclusion. In scientific investigations, replicating measurements increases the statistical power of the resulting data and raises the reliability of the conclusion.
which of the following influence feedback of enzyme
enzyme itself external factorsend productsubstrate.
Solution : In feedback inhibition, product of a reaction inhibits the enzyme catalysing that reaction. It is a type of control mechanism at the enzyme level. If the product is produced in sufficient amount, in inhibits the enzyme to stop the further production.
The article says that planets, moons, and
asteroids move in a predictable way. Give
an example of this.
Answer:
gravitational pull
Explanation:
Saturn takes 29 years to do a full orbit
Venus takes 225 days
443 Eros takes 643 days
The first unstable compound formed during C3 cycle is:
(a) 3-carboxy,2-keto, 1,6 bi phosphorobitol
(c) 2-carboxy,3-keto,1,5 biphosphorobitol
(b) 2-carboxy,3-keto,1,5-biphosphorobitol
(d) 3-carboxy,3-keto, 1,6-biphosphorobitol
Answer:
(b) 2-carboxy,3-keto,1,5-biphosphorobitol
Explanation:
2-carboxy, 3-keto, 1,5-biphosphorobitol is the first unstable molecule formed during the C3 cycle. Due to its instability, this molecule is quickly broken down into two molecules each containing 3 carbon atoms, called 3-phosphoglyceric acid, this breakdown is done through water in a process known as hydrolysis.
Which process can occur in both mitosis and meiosis?
Answer:
both involve cell division
Explanation:
Describe way in which plants are adapted to swed dispersal by animals give an example
Some seeds feature barbs or hooks that cling to an animal's skin, fur, or feathers. Birds can carry away the sticky seeds of plants like pittosporum.
How do plants adapt to animal seed dispersal?Seeds from plants that rely on animals for distribution are made to fit either within or outside of the animal. Burr- or hook-shaped seeds can cling to an animal's fur. Plants give seeds that are carried internally an enticing fruit pulp reward in exchange for the journey.
What kind of animal dispersal are examples?Mangoes, guavas, breadfruit, carob, and several fig species are some examples. Aardvarks and the desert melon (Cucumis humifructus) share a symbiotic connection in South Africa, where the mammals consume the fruit for food.
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If a cat with long black hair (Llbb) is crossed with a cat with short hair (llbb). What is the possibility that an offspring will have long black hair or short hair?
Answer:
50% long black hair and 50% short hair
Explanation:
Attatched is a screenshot of a punnett square that shows the possibilities of the offspring having long or short hair. In short, the genetics of long black hair only need one big "L", while the genetics of short hair need to have 2 short "l"s. So when we draw the punnett square and combine the genetics, we get 50% have Llbb, and 50% have llbb
4. Scientists have most accurately determined the absolute ages of rock layers by
A, factoring rates of sediment deposition.
B. using geologic columns.
C. using radiometric dating methods,
D. determining the rates of erosion.
Answer:
B
Explanation:
✓
What disorder can change morphology?
Answer:
brain disorder
Explanation:
Which of the following
materials are being
transported in and out of the
cell through its cell
membrane?
A. energy and water
B. waste and nutrients this
C. DNA and mitochondria
Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing external conditions?
spontaneous generation
homeostasis
growth and development
reproduction
Answer:Homeostasis
Explanation: homeostasis maintains balance in the body inside the body, even if there are changing external conditions. Hope this helped =)
Question:
During the Calvin cycle of photosynthesis, a plant cell uses carbon dioxide to synthesize large carbohydrates. Which statement about this reaction is true?
Answer: Consumes Energy
The statement that is true regarding the reactions that occur in the Calvin cycle is that it consumes energy.
What is Calvin cycle?Calvin cycle of photosynthesis is a series of biochemical reactions that take place in the stroma of chloroplasts in photosynthetic organisms.
The Calvin cycle also called light independent or dark reaction is the second stage of the photosynthetic process. It is so called because it does not require light to occur.
The Calvin cycle makes use of the products of the light stage (ATP and NADPH) to synthesize carbohydrates.
However, the series of reaction is an energy consuming one, which makes use of ATP to occur.
Therefore, the statement that is true regarding the reactions that occur in the Calvin cycle is that it consumes energy.
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explain why the rose plant needs to attract insects?
Answer:
The rose needs to attract insects for pollunation
Explanation:
identify the independent variable and dependent variable in the scientific method
The correct answer is the independent variable is one that you manipulate, control, or vary to investigate its effects and the dependent variable that being tested and measured in an experiment .
The simplest way to determine which variable in your experiment is the Independent Variable (IV) and which is the Dependent Variable (DV) is to put both variables in the sentence below in the correct order. "A change in the DV is caused by the IV." It is impossible for DV to cause any change in IV."
Example: Independent and dependent variables You plan a study to see if changes in room temperature affect math test scores. The temperature of the room is your independent variable. You change the temperature of the room by making it cooler for half of the participants and warmer for the other half.
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Fermentation converts organic material into a fuel whose primary component is
A. methane
B. sugar
C. yeast
D. alcohol
Answer:
D. alcohol
Explanation:
Fermentation by microorganisms converts organic materials into alcohol
What are the logical target organs for cancer related to coal mining? Can you think of other organs that may be affected by the coal dust?
In conclusion, the weight of the scientific literature suggests that coal mine dust does not increase lung cancer risk.
Does coal dust cause cancer?Pneumoconioses, sometimes known as "dusty lung," can lead to debilitation, incapacity, and even early death. Coal workers' pneumoconiosis (CWP) and silicosis are the two primary pneumoconioses that plague miners. Coal mining employees are susceptible to CWP, often known as black lung. human health effects of mining contamination
Typically, metals are also released into the atmosphere as particles. The risks to miners' occupational health are numerous as well. The majority of miners have various respiratory and skin conditions such black lung disease, silicosis, or asbestosis.
Inhaling coal dust can cause coal workers' pneumoconiosis (CWP), also referred to as "black lung sickness." Your ability to breathe is hampered over time by lung scarring brought on by prolonged exposure to coal dust. It is more prevalent in coal miners and is regarded as an occupational lung disease.
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In conclusion, the majority of the scientific research points to no increased risk of lung cancer due to coal mine dust.
Does coal dust have a link to cancer?Pneumoconioses, also referred to as "dusty lung," can cause disability, incapacity, and even early death. The two main pneumoconioses that afflict miners are coal workers' pneumoconiosis (CWP) and silicosis. Employees in the coal mining industry are vulnerable to CWP, also called black lung. mining pollution's impact on human healthMetals are frequently discharged into the atmosphere as small particles as well. The dangers to the occupational health of miners are numerous as well. The majority of miners suffer from numerous respiratory and skin disorders such black lung disease, silicosis, or asbestosis.For more information on lung cancer kindly visit to
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Is crick and Watson a type of genetic test
No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.
Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.
These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.
While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.
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Deepwater is full of nutrients that are released from the decomposition of organic matter (carcasses, feces, etc.). How do these nutrients re-enter surface waters
Answer:
Upwelling
Explanation:
Upwelling is the process through which cold water gets to ascends from the bottom, providing nutrients to the superficial stratum.
Upwelling is an ascending displacement of marine currents. The phenomenon can also occur in lakes or freshwater dams.
Wind blowing over the coast can cause surface water to move out to sea. This motion is complemented by a slow ascension of cold water coming from the bottom forward to the coast. This currents movement is known as upwelling.
Upwelling water is extremely cold and rich in nutrients, which result from remineralization, by bacterial action, of organic matter that accumulates in the deepest stratum of the water body.
The contact of minerals with photosynthesizing organisms in superficial layers produces a significantly high primary productivity.
What is the Calvin cycle?
A series of light dependent reactions
A series of light independent reactions.
Light dependent and light independent reactions
Another name for the production of chloroplasts.
The Calvin cycle is a series of light-independent reactions that occur in the chloroplasts of plants.
These reactions are responsible for converting carbon dioxide into glucose, which is the main source of energy for the plant. The Calvin cycle is also known as the Calvin-Benson cycle or the C3 cycle. The cycle consists of three main stages: carbon fixation, reduction, and regeneration. During carbon fixation, an enzyme called Rubisco combines carbon dioxide with a five-carbon molecule called RuBP. This results in the formation of two three-carbon molecules known as PGA. In the reduction stage, ATP and NADPH, which are produced during the light-dependent reactions, are used to convert PGA into G3P. Some of the G3P molecules are used to regenerate RuBP, while others are used to produce glucose and other organic compounds.For more questions on Calvin's cycle
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3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
units
ecosystem
Answer:
Explanation:
3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
Trans-means "across," and poly-means "many." Based on what you have learned about the differences between saturated and unsaturated fats, which statement seems like a good guess of what trans fats and polyunsaturated fats are?
OA. A trans fat has chemical bonds going across something, and a polyunsaturated fat has many of some kind of bond.
B. A trans fat is two saturated fats, and a polyunsaturated fat has one bend in it.
OC. A trans fat and a polyunsaturated fat are the same as an unsaturated fat.
Answer:
Evidence on the health effects of total polyunsaturated fatty acids (PUFA) is equivocal. Fish oils are rich in omega‐3 PUFA and plant oils in omega‐6 PUFA. Evidence suggests that increasing PUFA‐rich foods, supplements or supplemented foods can reduce serum cholesterol, but may increase body weight, so overall cardiovascular effects are unclear.
Objectives
To assess effects of increasing total PUFA intake on cardiovascular disease and all‐cause mortality, lipids and adiposity in adults.
Search methods
We searched CENTRAL, MEDLINE and Embase to April 2017 and clinicaltrials.gov and the World Health Organization International Clinical Trials Registry Platform to September 2016, without language restrictions. We checked trials included in relevant systematic reviews.
Selection criteria
We included randomised controlled trials (RCTs) comparing higher with lower PUFA intakes in adults with or without cardiovascular disease that assessed effects over 12 months or longer. We included full texts, abstracts, trials registry entries and unpublished data. Outcomes were all‐cause mortality, cardiovascular disease mortality and events, risk factors (blood lipids, adiposity, blood pressure), and adverse events. We excluded trials where we could not separate effects of PUFA intake from other dietary, lifestyle or medication interventions.
Data collection and analysis
Two review authors independently screened titles and abstracts, assessed trials for inclusion, extracted data, and assessed risk of bias. We wrote to authors of included trials for further data. Meta‐analyses used random‐effects analysis, sensitivity analyses included fixed‐effects and limiting to low summary risk of bias. We assessed GRADE quality of evidence.
Explanation: