a block of wood has a mass of 6 .0 and a volume of 12 .0 CM what is the density Of the block of wood
Brainly will be given
Answers
Answer:
\(\boxed {\boxed {\sf d=0.5 \ g/cm^3}}\)
Explanation:
Density is equal to mass over volume.
\(d=\frac{m}{v}\)
The mass of the wood is 6.0 grams and the volume is 12.0 cubic centimeters.
\(m= 6.0 \ g \\v= 12.0 \ cm^3\)
Substitute the values into the formula.
\(d=\frac {6.0 \ g}{12.0 \ cm^3}\)
Divide.
\(d=0.5 \ g/cm^3\)
The density of the wood is 0.5 grams per cubic centimeter.
Related Questions
energy enters the food chain through
A. consumers
B. producers
C. heterotrophs
Answers
Answer: B. Producers
Explanation:
First, the sun gives out energy and heat. Heterotrophs don't make their own energy from the sun, and consumers don't straight-up eat sunlight, so energy enters the food chain through producers, at the very start of the chain.
Answer:
B. Producers
Explanation:
producers are plants and any other organisms that have chloroplast
chloroplast is essential because it's an organelle that derives energy from the sun through photosynthesis
I need help!!!
Which is about 100-220 um in length and carries the sperm of a plant?
flower
pollen
leaf
spore
Answers
The atmosphere exerts a force (pressure) on Earth. Why does the atmosphere exert pressure on Earth?
Answers
what is mean observation?
Answers
The annual cost of snow removal for streets and highways in the U.S.
is estimated to be about how much?
O $20 billion
$20 million
$2 billion
O $2 million
Answers
While many homeowners shovel snow themselves, some sign an annual snow removal contract. Highly rated snow removal contractors say customers who sign a contract. annual snow removal contracts in 2013 reported paying an average of $378, million 4 years ago.
State tax revenues in December and January fell far short. projected increases in outstanding debt and annual debt service. year and SFY 2019-20 by a total of nearly $2 billion. The initial Executive Budget proposed using $500 million of the U.S. economy, as of the end of 2018, was in.
For nearly 20 years, the American Society of Civil Engineers has been on average, there were 188 million trips across a structurally deficient. ASCE analysis of U.S. Department of Transportation, Federal Highway assistance and may finance over $2 billion in water infrastructure investment.
These are all from different things, hope one of them helped!! (but if they didnt, super sorry!)
The annual cost of snow removal for streets and highways is estimated to be $2 billion.
A report from the environmental department in one of the universities in the United States gave an estimation of 2.3 million dollars as what is spent yearly to get snow and ice off the streets and highway.
Snow removal is simply an action that is undertaken to get snow off the streets or road after it snowed for safe and easy movement of people.
In conclusion it is estimated to be about $2 billion dollars given 2.3 billion dollars is around this figure.
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Are gender traits completely a result of societal expectations?
Answers
Explanation:
no gender traits are not completely a result of societal expectation
Answer:
gender traits are not solely a result of societal expectations. They are influenced by a combination of biological, psychological, and sociocultural factors, with individuals' experiences and self-identity also playing a significant role in how gender is expressed.
Explanation:
Biologically, individuals are assigned a sex at birth based on their physical characteristics, typically categorized as male or female. However, gender goes beyond biological sex and encompasses a range of behaviors, roles, identities, and expressions that are influenced by both nature and nurture.
Psychologically, individuals develop a sense of their own gender identity, which may align with their assigned sex (cisgender) or differ from it (transgender). Gender identity is an internal and deeply-felt sense of being male, female, or another gender, and it is not solely determined by societal expectations.
Societal expectations, cultural norms, and socialization play a significant role in shaping how gender is understood and expressed within a particular culture or society. These expectations can vary across different societies and change over time. Societal factors influence the norms and expectations related to gender roles, behaviors, and appearances, which can impact how individuals express their gender identity.
However, it is important to recognize that individuals have diverse experiences of gender that cannot be solely attributed to societal expectations. Biological factors, such as genetics, hormones, and brain development, also contribute to the development of gender traits. Additionally, personal experiences, self-expression, and individual differences influence how individuals express their gender identity.
check out the image
Answers
Answer:
the image? I dont see one?????
Explanation:
Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen and to
produce energy-storing sugar molecules. ... The process of photosynthesis can be
represented by an equation, wherein carbon dioxide and water produce sugar and
oxygen using energy from sunlight.
Answers
Answer:
Its number 2
Explanation:
I did the test. Hope this helps have a good day.
Which phrase describes a feature of chloroplasts that aids in the production
of sugar through photosynthesis?
OA. A rigid internal structure
B. Enzymes for breaking down proteins
C. A green pigment called chlorophyll
OD. A large network of membranes
Answers
C. A green pigment called chlorophyll
The man and woman do not have SCA. However, each has one parent with the disorder. What are their genotypes? Then, find the chance their child has SCA
Answers
Answer:
What are their genotypes? They are both heterozygous for the trait, SsFind the chance their child has SCA. There is 25% of probabilities (1/4) that their child has SCA.Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Earth moves through space in two ways rotation and revolution.
A. Around what does Earth revolve?
B. What are two ways life would be different if Earth did not have the motion of revolution?
Answers
Answer: The Sun
It would be day on one side and night on the other all the time.
It would be hard to live without the other countries growing food
Answer A: Earth revolves around the Sun.
Answer B:
If Earth did not have the motion of revolution around the Sun, life on our planet would be vastly different in several ways. First, the length of a day on Earth would be much shorter, as it takes the rotation of the planet around its axis to create the current 24-hour day. Second, the seasonal changes that we experience due to Earth's revolution around the Sun would not occur, meaning that the temperature and climate would remain relatively constant throughout the year. This could have significant impacts on the ability of plants and animals to survive, as many species rely on seasonal changes for migration, hibernation, and reproduction. Additionally, the absence of the gravitational pull from the Sun would change the tides and the way that the oceans circulate, potentially altering the availability of nutrients for marine life and affecting weather patterns.true or false all of the elements in the periodic table are naturally occuring
Answers
Answer: False
Explanation:
A number of the elements have been created in recent years using particle accelerators.
They are nihonium, moscovium, tennessine, and oganesson for elements 113, 115, 116 & 117 on the periodic table of elements.
18 While studying the life cycle seen in the illustration, LaShawn made the
following notes:
• follows complete metamorphosis
• young barking frogs look similar to adults
• all frogs start their lives as eggs
How does the third statement differ from the other two?
F. It is an inference rather than an observation.
G. It is a prediction based on the diagram.
H. It is an untestable hypothesis instead of a testable one.
It is an actual observation made from the diagram.
Answers
Answer: Last option: It is an actual observation made from the diagram.
Explanation:
In this picture, where are the stomata, cell wall, and cytoplasm located?
Answers
Answer: stomata are the green parts. the thin layer surrounding the red coloured cells is probably cell wall? cytoplasm is just the interior of the cells i think (red cells)
Explanation:
Tabitha is seven months pregnant with her first child. She can't believe how big her "belly" has gotten, but is disturbed by the white streaks appearing on her abdomen. What region of the skin and what structures are responsible for the stretching to accommodate the pregnancy? What is causing the white streaks
Answers
Answer:
The skin consists of three key layers. Stretch marks form in the dermis, or middle layer, when the connective tissue is stretched beyond the limits of its elasticity. This is normally due to rapid expansion or contraction of the skin.
Explanation:
Pregnancy stretch marks are striations or streaky indentations in the skin that are pink, red, purple or brown. The medical term is 'striae gravidarum', which is Latin for stripes of pregnancy. They are very common, and typically appear on the abdomen, breasts, thighs, buttocks, and even upper arms.
Genetics plays a role in whether you get stretch marks, and how visible they are. If you have fair skin they may be more visible. You are more likely to get them if you are a young mum, if you put on a lot of weight quickly during the pregnancy, or if you are expecting twins or multiples, but they become more visible post pregnancy as you lose weight. Other indicators of susceptibility include if you’ve had these marks before being pregnant, or if other members of your family have them. Changes in hormone levels during pregnancy can also make skin a little thinner, making some women more susceptible.
This type of scarring happens when the skin cannot resume normal form after a period of intense growth, often due to pregnancy, weight gain, weight loss.
Stretch marks are scars or disfiguring lesions. They are also called striae, striae distensae (SD), striae atrophicans, and striae gravidarum.
The skin consists of three key layers. Stretch marks form in the dermis, or middle layer, when the connective tissue is stretched beyond the limits of its elasticity. This is normally due to rapid expansion or contraction of the skin.
As the body grows, the connecting fibers in the dermis slowly stretch to accommodate slow growth. However, rapid growth leads to sudden stretching. This causes the dermis to tear, allowing deeper layers of skin to show through.
This can form stretch marks and contributes to the way they look.
Stretch marks eventually fade to a silvery, white, or glossy appearance, due to the pale fat beneath the skin becoming visible instead of the usual blood vessels.
They are more likely to develop and become more severe where there are high levels of circulating cortisone, or when cortisone is applied to the skin. Cortisol, the stress hormone produced by the adrenal glands, is converted into cortisone. This weakens elastic fibers in the skin.
Although all protists have DNA found inside a membrane-bound nucleus, they reproduce differently. Some reproduce asexually by ____, while others exchange genetic material during ____.
Answers
Although all protists have DNA found inside a membrane-bound nucleus, they reproduce differently. Some reproduce asexually by mitosis, while others exchange genetic material during sexual reproduction.
How to protists reproduce?In addition to asexual reproduction through mitosis, protists are also capable of sexual reproduction, which involves exchange of genetic material between individuals.
Some protists undergo conjugation, where two individuals temporarily fuse together and exchange genetic material. Other protists form gametes that fuse together during fertilization to form zygote with a combination of genetic material from both the parents. Others can switch between asexual and sexual modes of reproduction depending on the environmental conditions.
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How does energy flow in an ecosystem
Answers
Answer:
Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. Producers are always the first trophic level, herbivores the second, the carnivores that eat herbivores the third, and so on.Hope this helps you !!
Please help!!
the nitrogen cycle starts with
atmospheric gas being fixed into nitrates
nitrates absorbed by plants
plants passing the nitrogen compounds through to other organisms
decomposers returning nitrogen into soil and atmosphere
Answers
Answer:
Denitrification
Explanation:
In the fifth stage of the nitrogen cycle, nitrogen returns to the air as nitrates are converted to atmospheric nitrogen (N2) by bacteria through the process we call denitrification.
Which removes carbon dioxide from the atmosphere, acting as a carbon
sink?
Answers
D. Formation of carbonates in the ocean.
(APEX)
Formation of carbonates in the ocean removes carbon dioxide from the atmosphere, acting as a carbon sink. Thus, the correct option is D.
What are the ways of carbon dioxide removal?
Carbon is stored on the planet in the following major sinks as organic molecules in living and dead organisms found in the biosphere, as the gas carbon dioxide in the atmosphere, as organic matter such as carbonates in soil and oceans, in the lithosphere as fossil fuels and sedimentary rock deposits such as limestone, dolomite.
The removal of carbon dioxide is essential because of continued high rates of global emissions. Since industrial revolution, carbon dioxide gas emissions have been building in the atmosphere, creating a warming layer of carbon pollution which is causing climate change.
Therefore, the correct option is D.
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What will happen if you water your plants with salt water
Answers
Answer:
If someone pours salt water on their plants, the effects on the plant are swift and serve, beginning with the drainage of existing water out of the plant cell.
If there is plenty of sunshine and rain for producers to grow and increase in numbers, which of the following will result?
I. Increase in 1st Level Consumers
II. Increase in 2nd Level Consumers
III. Increase in Biodiversity
Answers
A. Identify both the cellular component and the location of the component that is responsible for producing the luciferase protein from mRNAs transcribed in the plasmid-containing T lymphocytes. Explain what dictates to the lymphocytes the correct order in which amino acids should be linked to form the luciferase protein.
B. Identify the independent variable in the experiment described. Identify the plasmid that was used as a negative control for luciferase activity. Justify including the plasmid with the non- CD3γ active promoter in the experiments.
C. Identify the plasmid that must contain the CD3γ core promoter sequence but the fewest or no negative regulatory sequences. Based on the data in Figure 2, describe the most likely cause of the variation in luciferase activity among the cells that contain plasmids pCD3γ-419 , pCD3γ-309 , pCD3γ-239 , and pCD3γ-199. Calculate the approximate percent increase in luciferase activity between cells containing plasmid pCD3γ-59 and cells containing plasmid pCD3γ-149. Round to the nearest whole number
Answers
A. The cellular component that is responsible for producing the luciferase protein from mRNAs transcribed in the plasmid-containing T lymphocytes is ribosomes, which are found on the rough endoplasmic reticulum (RER) or free floating in the cytosol.
The correct order in which amino acids should be linked to form the luciferase protein is dictated by the genetic code. B. The independent variable in the experiment described is the type of promoter contained in the plasmid. The plasmid that was used as a negative control for luciferase activity is pGL3-Basic. The plasmid with the non-CD3γ active promoter was included in the experiments as a control to see if it caused any changes in luciferase activity. C.
The plasmid that must contain the CD3γ core promoter sequence but the fewest or no negative regulatory sequences is pCD3γ-59. The most likely cause of the variation in luciferase activity among the cells that contain plasmids pCD3γ-419, pCD3γ-309, pCD3γ-239, and pCD3γ-199 is due to the number of negative regulatory sequences in each plasmid, which affect the level of luciferase expression. The approximate percent increase in luciferase activity between cells containing plasmid pCD3γ-59 and cells containing plasmid pCD3γ-149 is more than 100%. (178-65)/65 x 100 = 173% (rounded to the nearest whole number).
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what possible results occur when a cell receives instructions from two different hormones at the same time?
Answers
Possible results of a cell receiving instructions from two different hormones include synergistic, permissive, antagonistic, additive, or modulatory effects.
When a cell receives instructions from two different hormones at the same time, the possible results depend on the type of hormones involved and the signaling pathways they activate in the cell. There are several possible outcomes:
Synergistic effect: When the two hormones have a synergistic effect, their combined effect is greater than the sum of their individual effects. Permissive effect: When one hormone enhances the responsiveness of a cell to the other hormone, it is called a permissive effect. Antagonistic effect: When the two hormones have opposing effects, it is called an antagonistic effect. Additive effect: When the two hormones have independent effects that are additive, their combined effect is simply the sum of their individual effects. Modulatory effect: When one hormone modulates the response to the other hormone, it is called a modulatory effect.Learn more about the hormones at
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why is it necessary to perform a serial dilution during the standard plate count method
Answers
Performing a serial dilution during the standard plate count method is necessary to reduce the concentration of bacteria in a sample, ensure countable colony numbers, and obtain an accurate estimation of the bacterial population.
The standard plate count method is used to determine the number of viable bacteria in a sample. However, many samples contain a high concentration of bacteria, making it difficult to count individual colonies accurately. Serial dilution is employed to address this challenge.
Serial dilution involves diluting the original sample with a known dilution factor at each step. By performing a series of dilutions, the concentration of bacteria is progressively reduced, allowing for countable numbers of colonies to develop on agar plates. This dilution process increases the accuracy of the bacterial count by ensuring that the colonies are well-distributed and not overcrowded on the plates.
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true or false dna is coiled tightly around histones prokaryotic or eukaryotic
Answers
False. DNA is coiled tightly around histones in eukaryotic cells, but not in prokaryotic cells. Prokaryotic cells are much simpler and contain a single circular piece of DNA that floats freely in the cytoplasm.
This single piece of DNA is not coiled around histones like in eukaryotes. Eukaryotic cells are more complex and contain linear pieces of DNA, which are held together by proteins called histones. These histones form a structure called a nucleosome, which wraps the DNA around it and helps to keep it organized and compact.
Histones play a critical role in the organization and regulation of DNA in the nucleus. They are also involved in gene expression, replication, and recombination. This is why DNA is coiled tightly around histones in eukaryotic cells, but not in prokaryotic cells.
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if the percent solute concentration is greater in the fluid outside a cell than inside a cell, how will the water flow? would it lose mass or gain mass?
Answers
If the percent solute concentration is greater in the fluid outside a cell than inside a cell, water will flow out of the cell.
This is because water flows from an area of higher concentration to an area of lower concentration. In this case, the water inside the cell has a lower solute concentration than the water outside the cell. As a result, water will leave the cell, causing it to lose mass. This process is called osmosis and it is essential for maintaining proper cell function.
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a solution of high concentration through a semi permeable membrane.
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Where can General legal advice on adoption be obtained
Answers
We can get general legal counsel on adoption from a number of places, including:
1. Lawyers for family law: Adoption legal counsel and process assistance can be obtained from family law specialists.
2. Legal aid organizations - For those who are unable to pay legal representation, legal aid organizations may offer free or inexpensive legal services.
3. Adoption agencies - Adoption agencies may have access to legal resources as well as information on the adoption procedure.
4. State and local government organizations - State and local government organizations may offer details on adoption laws and rules as well as resources for those looking for legal counsel.
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Which of the answer choices are reasons why a population on an island might have less genetic diversity throughout the genome than a population on a nearby mainland? Select all that apply. Habitats on the island are the same as the mainland, so natural selection would favor the same alleles. Alleles may have been lost through random chance because not all individuals were able to mate. Island populations are more likely to have non-random mating than mainland populations. The original colonizers of the island do not contain all of the genetic diversity of the larger mainland population.
Answers
The reasons for less genetic diversity on an island is the loss of alleles through random chance and the original colonizers of the island may not possess all the genetic diversity in the larger mainland population.
One reason for reduced genetic diversity in island populations compared to mainland populations is the loss of alleles through random chance. In small populations, genetic drift can have a significant impact, leading to the random loss of certain alleles over generations.
This phenomenon, known as genetic drift, is more pronounced in small populations due to the limited number of individuals. Consequently, certain alleles that were present in the mainland population may not be represented in the island population.
Another contributing factor is the genetic composition of the original colonizers of the island. When a population colonizes an island, it is typically derived from a subset of individuals from the mainland population.
This smaller group of colonizers carries only a fraction of the genetic diversity found in the larger mainland population. As a result, the initial genetic pool on the island is limited, and subsequent generations will be derived from this reduced diversity.
It's worth noting that the other two answer choices, the similarity of habitats between the island and the mainland and the non-random mating in island populations, do not directly contribute to the reduction of genetic diversity.
While similar habitats may result in similar selective pressures and non-random mating may affect the distribution of alleles within the population, they do not necessarily lead to a decrease in overall genetic diversity throughout the genome.
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Which example is an abiotic factor of a desert environment?
Answers
Answer:
Lots Of Sunlight
Explanation:
Sunlight is the biggest source of energy on our planet which makes it a very important abiotic factor. Sunlight is needed for photosynthesis where a plant would make food by converting carbon dioxide and water to oxygen
Answer:
Temperature
Explanation:
Abiotic factors are non-living components of an ecosystem that shape the living organisms and their interactions within the environment. They include things like temperature, light, water, soil, and air. In a desert environment, temperature is one of the key abiotic factors. Deserts are known for their extreme temperatures, with hot days and cold nights. This high temperature can be a limiting factor for the survival of the organisms that live in these regions.
9. Applying a drug that increases cGMP levels in photoreceptors would cause which effect on a photoreceptor's response to a photon of light?
a. An intensified depolarization from normal
b. An attenuated depolarization from normal
c. An intensified hyperpolarization from normal
d. An attenuated hyperpolarization from normal
e. There would be no effect
Answers
The correct answer is c. An intensified hyperpolarization from normal.
Explanation:
cGMP (cyclic guanosine monophosphate) is a molecule that plays an important role in the phototransduction process in photoreceptors. When a photon of light hits a photoreceptor, it activates a cascade of reactions that ultimately leads to the closing of cGMP-gated ion channels and the hyperpolarization of the photoreceptor cell.
If a drug were to increase cGMP levels in photoreceptors, it would cause more cGMP-gated ion channels to be open, leading to an intensified hyperpolarization of the photoreceptor cell. This would cause the photoreceptor to have an exaggerated response to a photon of light, resulting in an intensified hyperpolarization from normal.
Therefore, the correct answer is c. An intensified hyperpolarization from normal.
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