The blue color of the sky results from the scattering of sunlight by air molecules.

Answers

Answer 1

Answer:

Yes

Explanation:

Sunlight is scattered by tiny air molecules (known as Rayleigh scattering) increases as the wavelength of light decreases. Violet and blue light have the shortest wavelengths and red light has the longest. Therefore, blue light is scattered more than red light and the sky appears blue during the day.

The sky appears blue to the human eye as the short waves of blue light are scattered more than the other colours in the spectrum, making the blue light more visible.


Related Questions

Select the item(s) that describe a producer.

1.takes energy from the sun
2.helps rot dead organisms
3.fungus
4.tall grass
5.food is mostly animal
6.plant eater
multiple choice

Answers

Answer:

3. fungus

4. tall grass

5. food is mostly animal

A class is debating the advantages and disadvantages of different types of reproduction. One student argues that organisms that reproduce asexually, like bacteria, have no advantage over organisms that reproduce sexually.
Which of the following choices below represents an argument for the advantages of asexual reproduction?
A. Organisms that reproduce asexually are likely to find a mate at a faster rate than sexually reproducing organisms, which allows them to reproduce faster.
B. Organisms that reproduce asexually are more diverse and are more likely to pass on key genes for survival to future generations, which aids in maintaining beneficial genes for survival in the gene pool
C. Organisms that reproduce asexually gain variation through processes like crossing over, which allows survival in instances of ecological change
D. Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population

Answers

Answer: D. Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population.

Explanation:

When an organism is able to reproduce asexually as opposed to sexually, it means that they do not require a mate to make offspring. Offspring of such organisms will therefore receive all their genes from one source.

Such organisms are able to reproduce very fast when they are presented with adequate conditions especially because they do not need another organism to do so. They will neither have to waste much energy nor have to go through the whole sexual process so they will be able to produce lots of offspring.

Animals are known to have offspring through asexual and/or sexual reproduction. The choices that has an argument for the advantages of asexual reproduction is that Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population.

Asexual reproduction is simply known as a type of reproduction where offspring are genetically identical to the parent.

The offspring are regarded as clones that derives its root from the original parent.

A single individual can have offspring asexually and also in large numbers quickly.

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Structure that display characteristic of living organisms only within living cells

Answers

this is the answer I hope it helps u

If you have done the Genetic engineering gizmo please help me

Answers

Answer:

d

Explanation:

The effect of disorder of checkpoints proteins and cell cycle regulation
I need help!!!!!!???

Answers

Answer:

LEARNING OBJECTIVES

Identify important checkpoints in cell division

Explain how errors in cell division are related to cancer

The length of the cell cycle is highly variable, even within the cells of a single organism. In humans, the frequency of cell turnover ranges from a few hours in early embryonic development, to an average of two to five days for epithelial cells, and to an entire human lifetime spent in G0 by specialized cells, such as cortical neurons or cardiac muscle cells. There is also variation in the time that a cell spends in each phase of the cell cycle. When fast-dividing mammalian cells are grown in culture (outside the body under optimal growing conditions), the length of the cycle is about 24 hours. In rapidly dividing human cells with a 24-hour cell cycle, the G1 phase lasts approximately nine hours, the S phase lasts 10 hours, the G2 phase lasts about four and one-half hours, and the M phase lasts approximately one-half hour. In early embryos of fruit flies, the cell cycle is completed in about eight minutes. The timing of events in the cell cycle is controlled by mechanisms that are both internal and external to the cell.

Explanation:

Regulation of the Cell Cycle by External Events

Both the initiation and inhibition of cell division are triggered by events external to the cell when it is about to begin the replication process. An event may be as simple as the death of a nearby cell or as sweeping as the release of growth-promoting hormones, such as human growth hormone (HGH). A lack of HGH can inhibit cell division, resulting in dwarfism, whereas too much HGH can result in gigantism. Crowding of cells can also inhibit cell division. Another factor that can initiate cell division is the size of the cell; as a cell grows, it becomes inefficient due to its decreasing surface-to-volume ratio. The solution to this problem is to divide.

Whatever the source of the message, the cell receives the signal, and a series of events within the cell allows it to proceed into interphase. Moving forward from this initiation point, every parameter required during each cell cycle phase must be met or the cycle cannot progress.

Regulation at Internal Checkpoints

It is essential that the daughter cells produced be exact duplicates of the parent cell. Mistakes in the duplication or distribution of the chromosomes lead to mutations that may be passed forward to every new cell produced from an abnormal cell. To prevent a compromised cell from continuing to divide, there are internal control mechanisms that operate at three main cell cycle checkpoints. A checkpoint is one of several points in the eukaryotic cell cycle at which the progression of a cell to the next stage in the cycle can be halted until conditions are favorable. These checkpoints occur near the end of G1, at the G2/M transition, and during metaphase

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What does the term Pangaea mean?

Answers

Answer:

Pangea refers to the one, large, solid land mass that is believed to have existed before the continents divided.

Explanation:

Pangea is often the explanation for tectonic plates, as they are believed to have been a by-product of the split of Pangea well over a million years ago.

explain how the cells, tissue, and organs within the circulatory system work together to enable it to perform its function of pumping materials around the body and removing waste products such as carbon dioxide.

Answers

Answer:

the body has levels of organization that build on each other.Cells make up tissues,tissues make up organs,and organs make up organs system.

identify one organism from each of the six periods of the paleozoic era

Answers

Answer:

The Paleozoic is divided into six periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous (in the U.S., this is divided into the Mississippian and Pennsylvanian Periods), and Permian. Most of these names derive from locations where rocks of these ages were first studied.

i hope this was helpful

Question 3
Earth's plates move due to a convection celin
A the Earth's crust
B. the Earth's mantle.
the Earth's inner core.
D. the Earth's outer core.

Answers

Answer:B

Explanation:Earth’s core that cause the molten rock in the mantle layer to move, and it moves in a pattern.

The term population dynamics would not be used to describe which of the following examples?
Α.
birth rates
B.
changes in population size
death rates
success of offspring reaching reproductive age

Answers

Answer:

Population size is influenced by the per capita population growth rate, which is the rate at which the population size changes per individual in the population. This growth rate is determined by the birth, death, emigration, and migration. Pretty much Birth rate or Death rate.

Explanation:

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How did scientists begin to Mark divisions in the geologic time scale in response to a change they discovered in the geologic record

Answers

Answer:

Scientists began to mark division on the geologic time scale when patterns and similarities started emerging from archeological studies. Patterns such as the discovery of fossils that were formed within the same period.

Explanation:

Geologists who study matter that make up the Earth's crust (whether solid gaseous or liquid), as well as matter from other terrestrial planets and the processes that influence the formation and condition of this matter, are called geologists.

They have successfully calibrated history into various phases of time intervals. These intervals are event-based intervals. For example, you have Eons, Eras, and Periods.

An Eon is a billion years. An example is the Neoproterozoid Eon. Eons are made up of several Eras and Eras are made up of periods. An example of an era is the Mesozoic era. Whilst periods are smaller units of an era, eg. Triassic era.

As scientists deduced the causes for the formation of fossils and topographical remains/patterns, they collected events that occurred within the same time period and group them together.

This range of events became known as the geological time scale.

The age of fossils and rocks is also used to map out the calibrations on the scale.

The age of fossils and rocks is determined using the process of radioactive dating.

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With respect to normal base pairing, when a molecule of DNA replicates, thymine will most likely pair with 2 points

Answers

Answer: Adenine

Explanation:

The structure of the DNA double helix is complex in nature. There are two strands of DNA that are wound around each other. The nitrogenous bases are bonded with hydrogen bonding and base complementarity. According to the Chargaff's rule of base complementarity adenine always pairs with the thymine and guanine with cytosine. These nitrogenous bases are paired on the basis of hydrogen bonding. Adenine bonded with thymine through two hydrogen bonds whereas the cytosine pairs with guanine via three hydrogen bonds. During DNA denaturation these hydrogen bonds are broken whereas during DNA replication these hydrogen bonds are formed between the nitrogenous bases.

How do specialized cells within an organism help the organism perform the essential functions of life?

Answers

Answer:

Systems of specialized cells within organisms help them perform the essential functions of life, which involve chemical reactions that take place between different types of molecules, such as water, proteins, carbohydrates, lipids, and nucleic acids. All cells contain genetic information in the form of DNA molecules.

which of the following are not considered as examples of asexual reproduction of plants?

a. ginger, onion, garlic
b. camote, carrot,potatoes
c. banana,bamboo,turmeric
d. avocado, papaya,mango tree​

Answers

answer = c
step by step explanation
I think the answer is C

Plzzz help
Describe the relationship between the sickle cell phenotype and hemoglobin’s structure and function

Answers

Answer: Explanation:

Sickle hemoglobin differs from normal hemoglobin by a single amino acid: valine replaces glutamate at position 6 on the surface of the beta chain. Therefore the red blood cell bends differently giving it a sickle shape

Answer:

Explanation:

Sickle cell disease is a group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body. People with this disease have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.

Signs and symptoms of sickle cell disease usually begin in early childhood. Characteristic features of this disorder include a low number of red blood cells (anemia), repeated infections, and periodic episodes of pain. The severity of symptoms varies from person to person. Some people have mild symptoms, while others are frequently hospitalized for more serious complications.

The signs and symptoms of sickle cell disease are caused by the sickling of red blood cells. When red blood cells sickle, they break down prematurely, which can lead to anemia. Anemia can cause shortness of breath, fatigue, and delayed growth and development in children. The rapid breakdown of red blood cells may also cause yellowing of the eyes and skin, which are signs of jaundice. Painful episodes can occur when sickled red blood cells, which are stiff and inflexible, get stuck in small blood vessels. These episodes deprive tissues and organs, such as the lungs, kidneys, spleen, and brain, of oxygen-rich blood and can lead to organ damage. A particularly serious complication of sickle cell disease is high blood pressure in the blood vessels that supply the lungs (pulmonary hypertension), which can lead to heart failure. Pulmonary hypertension occurs in about 10 percent of adults with sickle cell disease.

Which location would have the LEAST variation in air temperature during a 24-hour period?
A)
A
B)
B
o
D)
D

Answers

Answer:

b

Explanation:

The total number of cells in an organism increases as a result of which process?
A respiration
B. photosynthesis
C cell division
D fermentation

Answers

Answer:

I am pretty sure that the answer is C.

Hopes this helps.

Have a great day!!!!!!!

It is fermentation... bc it’s the total number

Type Newton's Second Law of Motion as it is written.

Answers

Answer:

I hope you understand please give brainliest

Explanation:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Answer:

Yes it is written that second law of Newton is motion of an object

Give three reason why specialized systems are necessary in large multicellular organisms

Answers

Answer:

Specialized systems are necessary in large multicellular organisms since 1. there is a division of labor between cells, 2. many individual cells cannot work together without coordination, and 3. most of the cells are not in direct contact with the outside environment

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Specialized systems are necessary in large multicellular organisms since 1. there is a division of labor between cells, 2. many individual cells cannot work together without coordination, and 3. most of the cells are not in direct contact with the outside environment.

Please help!
..........​

Answers

Answer:

我期望1个是正确的答案 并问老师好

Explanation:

你可以在书中找到

What is the strengths and weaknesses of the various developments in science and technology​

Answers

Answer:

Strengths, Weaknesses, Opportunities and Challenges ... Some have “ centres for research and development” while others ...

what is a tumor and what does it have to do with mitosis
ASAP
will give brainliest

Answers

Answer:

Tumors constantly undergo mitosis.

Explanation:

Tumors are (generally) considered to be cancerous; therefore, they divide uncontrollably. Tumors undergo mitosis just like any other cell in your body but can be dangerous over time if not dealt with.

Answer:

What is cancer and what does it have to do with mitosis?

Cancer: mitosis out of control

Mitosis is closely controlled by the genes inside every cell. Sometimes this control can go wrong. If that happens in just a single cell, it can replicate itself to make new cells that are also out of control. These are cancer cells.

Explanation:

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What are 2 facts about energy?

Answers

Answer: Only 10 percent of energy in a light bulb is used to create light. ...

The amount of energy Americans use doubles every 20 years. ...

Explanation:

Fact 1: Refrigerators in the U.S. consume about the same energy as 25 large power plants produce each year.

Fact 2: From 2008 to 2030, world energy consumption is expected to increase more than 55%.

why do we know that the fault is younger than the three rock layers

Answers

Answer:

It's the closest

Explanation:

I'm not sure but I think its correct :) hope this helps

Pick three correct statements about enzymes.

pls help.

Answers

I know C they may change shape when they bind substrates

what are the factors affecting brilliance of stars​

Answers

the age of the star because just like people as they grow older they become weak and so arr the stars their brilliance fade when they become older.

The intrinsic properties of stars include brightness, color, temperature, mass, and size. Three factors control the brightness of a star as seen from Earth: how big it is, how hot it is, and how far away it is.

What type of material did the water most likely encounter when it stopped?

Answers

Answer:

Rocks

Explanation:

Rocks normally stop streams

Super easy. Please help

Answers

Answer:

Identical twins tend to be more similar to each other than  fraternal twins do.

Explanation:

What are molecules? ​

Answers

The smallest unit into which a substance can be divided without changing its chemical nature

Hopes this helps uh ♥️♥️

Answer:

a group of  atoms that form the smallest identifiable unit

Explanation:

what are some products that come from plants?

Answers

Answer:

Aspirin tablets. Sponges. ...

Sponges made from trees. Chewing Gum. ...

Sapodilla tree. Carnauba Wax. ...

Copernicia prunifera. Henna Dye. ...

Henna tattoo. Rubber. ...

Tapping into trees for rubber.

Answer:

Rubber, sponges

Explanation:

these are Frome trees

Other Questions
At a fixed temperature and pressure, a 0.474 mol sample of gas has a volume of 8.65 L. How many mol of gas will have a volume of 4.39 L under these same conditions? Which of the following is an example of a primary election? A. A Democrat and a Republican oppose one another in a race for the U.S. Senate. B. A Republican and an independent candidate oppose one another in a race for the state senate. C. Once presidential candidates are chosen, they select their running mates. D.Two city council members are on a ballot to determine which one will run for mayor as a Democrat. Select the correct answer from the drop-down menu.Read the excerpt from paragraphs 10 and 11.Our joint action on this issueas much as any otherwill test the moral character of our country. An old scriptural passage asks: "who among you, if your children ask bread, will you give them a stone, or if they ask a fish, will you give them a serpent?"We might also ask: who among you, if your children ask for fish, will you give them a contaminated fish; if your children ask for water, will you give them unclean water? You see, protecting our water is one of the deepest obligations we have -- to ourselves, to our children, and to our future.What point of view does Gore convey in this excerpt?Gore believes that ______________A. people have an important ethical responsibility to keep water cleanB. effective environmental policy requires strong leadership above allC. clean water is a more pressing concern than clear air for most peopleD. people should be encouraged to share food and water with one another What are 3 reasons the Canterbury Tales are important? What is the Law ofConservation of Mass?A. The total mass of the products will alwaysbe equal to the total mass of the reactants.B. The total mass of the products will alwaysbe more than the total mass of the reactants.C. The total energy of the products willalways be equal to the total energy of thereactants.D. The total mass of the products will alwaysbe less than the total mass of the reactants. how would you define a fruit? how can fruit be helpful in seed dispersal? Roller coater A can reach a top peed of 110 ft. / roller coater B can reach the top peed of 85 mph which roller coater ha a greater top peed In a right triangle, given legs of lengths 5 and 12, find the length of the hypotenuse. Mrs. Lowry is ordering car decals for each family to put on their cars for the upcoming baseball season. She ordered 25 decals. She got a deal on them and they will be $2 cheaper for each decal. The total came to $250. Write an equation to find the amount, d, for the normal cost of each car decal without the deal. What is the normal cost of each decal without the deal? According to the excerpt, what is something Barack Obama says about the state of education in America? A basketball player's chance of scoring a free throw is estimated to be 25. The player tries 20 shots and the number of baskets is recorded. This event is a binomial experiment becauseA. there are only two outcomes; the number of trials is not fixed; the probability is the same for each trial; the trails are independent of each other.B. there are only two outcomes; the number of trials are fixed; the probability is not the same for each trial; the trails are independent of each other.C. there are only two outcomes; the number of trials are fixed; the probability is the same for each trial; the trails are independent of each other.D. there is only one outcome; the number of trials are fixed; the probability is not the same for each trial; the trails are independent of each other. How much more does the cat eat than the parrot? The Parrot eats 3/8 pounds of food, and the cat eats 7/8 pounds of food. Write and solve an equation to represent the problem? Marcus, a resident of Vermont, decides to sue the maker of CalmDown in a Vermont state court. He is permitted by the court to serve the company by email, as he cannot find an address for the company and convinces the judge that email would be the best way to accomplish service. The maker of CalmDown responds to the service claiming that Vermont courts have no jurisdiction over the business, because it is an out-of-state defendant with its principle place of business in Alaska. Moreover, they have never marketed their product in Vermont and only sold a few subscriptions before it removed the app from the app store. Is it appropriate for a Vermont court to exercise jurisdiction in this case? Why or why not?PLS HELP THXS! WILL GIVE BRAINLIEST! NO SPAM ANSWERS what is your favorite game? Only one of the following statements about the trade surplus is correct. 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Check all that apply.A.Allows the building blocks of proteins to diffuse from maternal to fetal bloodB.To prevent gestational diabetes, the placenta blocks glucose from passing from the fetus to the motherC.Helps the fetus dispose of metabolic waste that would normally be excreted by its own kidneysD.Allows for gas exchangeE.Transfers stem cells from the mother's bone marrow to the fetal tissue The partial pressure of F2 and a mixture of gases were the total pressure is one ATM. What is the mole fraction of F2?