what happens when electromagnetic waves strike a rough, dark material?

Answers

Answer 1
When electromagnetic waves strike an obstacle, some of the wave is reflected off the surface of the obstacle, some of the wave is absorbed and some is transmitted through the material. But in the case of dark material, dark colour usually absorb all the waves that hit it, so in this case, the electromagnetic waves will mostly be absorbed by the dark material.
Answer 2

Answer:

A

Explanation:


Related Questions

Can you please help me out ASAP i need this answer soon!!!!! if you exercise vigorously for an hour, which of the following signals would MOST likely be sent to your kidneys?

Answers

A signal to reabsorb more water and salt. Have a good day =D



Which of the following techniques is used by researchers to carry out DNA replication in vitro?



Northern blotting



DNA fingerprinting



Polymerase chain reaction

Answers

I believe the correct answer is Polymerase Chain reaction!

c is the answer

plato



Which of the following accurately describes the role of energy in cellular respiration?



energy is a reactant


energy is not a part of cellular respiration


energy is a product


none of the above

Answers

Answer:

The correct answer is option energy is a product.

Explanation:

Cellular respiration is a process in which oxidation of food or glucose takes place to produce energy. This process proceeds in four processes: glycolysis, oxidative carboxylation, Krebs cycle and electron transport chain.

All of this process produces energy in the form of ATP or energy equivalents like NADH and FADH₂.  

1. Glycolysis produces- 2 ATP, 2 NADH,  

2. Oxidative carboxylation produces- 2 NADH,  

3. Krebs cycle produces- 2 ATP, 6 NADH AND 2 FADH₂ and  

4. Electron transport chain produces at last- 24 ATP from these reducing equivalents.

Thus, option energy is a product is a correct option.

two brothers inherit different sets of alleles from their parents. what effect will they have?

Answers

Two brothers who inherit different sets of alleles from their parents will likely have different Phenotypes.

What is a phenotype?

The phenotype is described as the set of observable characteristics or traits of an organism.

The phenotype is the physical and/or physiological characteristics as a result of the two brothers who inherit different sets of alleles from their parents .  

The specific effects will depend on the specific alleles they inherit and how they interact with each other. They might have different hair color, eye color, height, susceptibility to certain diseases, and so on.

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Final answer:

Two brothers inheriting different sets of alleles from their parents results in genetic variation, influencing different phenotypic traits. This variation can produce different genotypes and phenotypes in siblings, due to the segregation and possible recombination of alleles during gamete formation.

Explanation:

When two brothers inherit different sets of alleles from their parents, it results in genetic variation between the siblings. This variation is fundamental to the diversity seen within a species. In terms of genetics and inheritance, if an individual with a cleft chin who is homozygous (BB) mates with an individual with a smooth chin, which is the recessive trait (bb), all their offspring will exhibit the dominant cleft chin phenotype. However, if the cleft-chinned individual is heterozygous (Bb), the offspring will have a 50% chance of a cleft chin and 50% chance of a smooth chin. This is because the phenomenon of alleles segregating during gamete formation—each parent contributing one allele to an offspring—can produce different genotypic combinations like BB, Bb, or bb, thereby influencing the offspring's phenotype.

In another example, two genes could either be linked, leading to parental types of gametes (AB or ab) or unlinked, giving rise to gametes like AB, Ab, aB, and ab in equal frequencies. When heterozygous individuals are crossed with homozygous recessive individuals, we can observe the occurrence of both parental and nonparental types, suggesting that while linkage is frequent, recombination also occurs. This illustrates how different allele combinations can produce varying genetic outcomes in siblings.

If trees are removed from rainforest what happens to amount of water and oxygen

Answers

well, trees need water to live so they can create oxygen, so one would think that the amount of water goes up and the amount of oxygen goes down
We need trees, that's why it's called a forest. Tress are nature also a natural thing and water and oxygen are also a natural thing that humans need. If trees are removed, then the water from lakes will get dirty, as for the oxygen we need from the tree, we humans need water and oxygen, so trees are needed.

Identify the type of behavior exhibited in the examples described below. Support each answer with a short explanation. Cuckoos often lay their eggs in the nests of other birds, which raise the young cuckoo as their own. However, as the cuckoo matures, it takes on the behavioral characteristics of its biological parents rather than its surrogate parents.

Answers

It is in the nature of the animal to act as how their biological parents did. Genetically something in the brain keeps the "tradition" ongoing.

Which of the following is a subatomic particle located inside the nucleus of an atom

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Hello. 

The subatomic particles located inside of the nucleus of an atom consist of protons and neutrons.
The nucleus of an atom consists of Protons and Neutrons.

Science is best described as a
a
list of rules.
b
way of knowing.
c
collection of beliefs.
d
set of facts.

Answers

The answer is d which is set of facts because science is facts

Science is best described as a set of facts. The correct option is d.

What is science?

Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.

In the best situations, it attains the higher degree of wisdom, which is philosophy's main goal.

Thought experiments are occasionally used in philosophy, but as they are conducted solely in the mind, they are not genuinely scientific.

An area of study that is not a science, particularly one that is not a natural science or a social science that is the subject of scientific investigation, is referred to as a "non-science." The best way to define science is as a body of facts.

Thus, the correct option is d.

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One of the earliest atomic models was suggested by John Dalton in the early 1800s

Answers

John Dalton was an English Chemist (1766 - 1844) who focused on the model of the atom. Dalton proved that matter is made up of tiny particles, called atoms, and that the atoms cannot be divided into smaller pieces and cannot be destroyed. Other thing that Dalton proves was that atoms from the same element are same and that different element can be combined and form compounds.

what do genetics call alleles that are both expressed in the phenotype when they are together

Answers

co-dominant alleles, in other words because they both appear in the phenotype they are both dominant.

The correct answer is:

codominance

Explanation:

Codominance is a kind of dominance wherein the alleles of a gene set in a heterozygote are fully represented. This results in offspring with a phenotype that is not dominant nor recessive. A typical example telling codominance is the ABO blood group system.

Former NFL punter Ray Guy holds the record for the longest hangtime on a punt. If the ball leaves with an upward velocity of 128 ft/s from an initial height of 4 feet, how long will the ball be in the air? Use the formula H= -16t(squared) +128t +4, where h is the height of the ball in feet and t is the time in seconds since it is kicked. Round your answer to the nearest tenth.

Answers

Since we have the formula for height, all we need to do is solve for t when the height of the ball is 0, meaning it is on the ground. The equation is H = -16t^2 + 128t + 4 Substituting H for 0, we get: 0 = -16t^2 + 128t + 4 Now the problem becomes a simple quadratic equation that we can solve using the quadratic formula. The quadratic formula for at^2 + bt + c = 0 is: t = [-b +/- sqrt(b^2 - 4ac)] / 2a Plugging in a, b, and c, we get t = [-128 +/- sqrt(128^2 - 4*-16*4)] / -32 Solving for t, we get t = 8.03, -0.03. Since the time must be positive, the answer is 8.0. The ball is in the air for 8.0 seconds

Blood type in humans is an example of trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?

AO and BO

AB and OO

AB and BO

AO and AB

Answers

its AO and BO i am 65 percnt sure on this u should research

The possible genotype is AO and BO.

An organism's genetic makeup is called its genotype, and it reflects all the alleles, or kinds of the gene, which are carried through the organism. Consequently, a test move can help determine whether a dominant phenotype is homozygous or heterozygous for a specific allele.

What are the 4 main blood groups?

A person's blood type depends on the genes he inherited from his parents. ABO is the most well-known system for grouping blood groups, although there are other methods. There are four main groups in the ABO group: A, B, O, and AB. There are eight other blood groups in these groups.

More than 179 people in India are known to have Bombay blood type. If the organ donor belongs to the Bombay blood group, the donor liver must be free of A, B, and H antigens. In theory, the Bombay blood group donor can donate a liver to any blood group (universal donor).

A genetic cross between respective genotypes is shown below.

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Please fill the answer:) The hot plates on an electric stove change ______ energy into ______ and a small amount of _____energy.

Answers

Answer: The hot plates on an electric stove change electrical energy into heat and a small amount of light energy.

This is because electric stoves utilize electricity (hence the name), and as they convert the electricity into the heat that is used for cooking, they also light up slightly to indicate that they are on (a safety measure). 
Final answer:

The hot plates on an electric stove change electrical energy into heat and a small amount of light energy.

Explanation:

The hot plates on an electric stove change electrical energy into heat and a small amount of light energy.

An electric stove works by passing an electric current through a coil of wire in the heating element. This current produces heat due to resistance. The heat generated is then transferred to the pot and its contents, causing the food to cook.

Elephants and rhinos tolerate the small birds that ride their backs and eat insects on their skin. The relationship between the elephants and the birds is called _____. coevolution mutualism commensalism parasitism

Answers

Elephants and rhinos tolerate the small birds the ride their backs and eat insects on their skin. The relationship between the elephants and the birds is called ________.commensalism.

The relationship between the elephants and the birds is called commensalism.

Commensalism is a relationship between two organisms of different species in which one organism benefits from the other, and the other is neither harmed nor benefited. This type of relationship usually occur between a larger host, and a smaller commensal (the organism that benefits from the relationship). The commensal can benefit by obtaining nutrients, or shelter from the host organism, which is not affected. From the question given, the small birds obtain their food from the elephants, and the elephants do not benefit, and are not harmed in the relationship. This relationship is an example of commensalism.


Scientists are able to use DNA to produce an identical copy of an organism in this procedure.

Artificial selection
Gene manipulation
Cloning
Genetic engineering

Answers

cloning (which is the act of creating an identical organism)

A picture of an organism's chromosomes is a

Answers

Answer:

A picture of an organism's chromosomes is a **karyotype**.

What pathway provides the longest-lasting supply of ATP?

Answers

The answer is Aerobic.

Answer:

Aerobic Cellular Respiration

Explanation:

Aerobic cellular respiration is the stepwise breakdown of glucose into CO2 and H2O through glycolysis, Kreb's cycle and The released energy is stored in the form of NADH and FADH2. These reducing powers drive the process of oxidative phosphorylation to produce as many as 36-38 ATPs. Hence, aerobic cellular respiration gives a long lasting supply of ATPs.

How many alleles are there for the four main types of human blood?

Answers

Hi there!

There are three(3) alleles for blood type.
---------------------------------------------------------
You can find them on the ABO gene.

I hope that helps!

Answer:

3

Explanation:

Based on the food chain below, if a bald eagle acquires 50 kg of energy, how much energy did the herbivorous duck get from the aquatic vegetation?

Answers

Ten times as much. Did the eagle eat the duck?

Answer: 50,000 kg should be the correct answer.

Describe why newer technology may not make older technology obsolete....?

Answers

Older technology can still be used and new technology is evolved from it so there is some similarities. For example: xbox one and xbox 360 the xbox 360 is not obsolete they both are very similar and can be connected to each other.

Old technology instruments  last for a longer period of time where as a very few new technology base equipment's works well.

What is new technology in science?

Technology is otherwise a concept which deals with human and its surrounding by using knowledge, tools, crafts etc.

The evolutionary change in technology can act as a driving force of innovation, productivity, growth and development of world.

It is completely based on bot scientific and technical knowledge to resolve the problem and provide a solution for a question like use of internet, mobile, laptop etc.

The new technology can be up two types such as Sustaining technology

and Disruptive technology based on working methodology.

Sustaining technologies refers to old or preexisting technology which  is used to maintain a rate of improvement, which ultimately gives customer a satisfactory value.

On the other hand disruptive technology is completely a new technology which displaces the existing technology, it also lacks the scope refinement and performance.

Old technology is trustworthy but  new technology is not.

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What do equinoxes signify

Answers

the time the sun crosses the plane of the Earth's equator making night and day of approximately equal length all over the earth.

Answer:

Equinoxes are important in marking for change in the season.

Explanation:

The equinox is a marking for change in the seasons. The moment is important because it is the time of year when the day and the night are of almost exactly the same length. It's the starting of autumn or spring, that marks the starting of that season. It takes place twice a year around September 23 and March 21.

Thus, Equinoxes are important in marking for change in the season.

What protein is often used in comparing biochemistry between species? Why is this protein used?

Answers

The proteins are involved in the basic chemical processes in humans and animals. The proteins of one species differ from those of another species. This is the reason why proteins are used in comparing biochemistry between species. Homologous proteins are often used for comparison. These proteins are evolutionarily related and are responsible for the same functions in different species. That's why these proteins are used.

summarize the events and forces that shaped human evolution

Answers

Five different forces have influenced human evolution are natural selection, random genetic drift, mutation, population mating structure, and culture.

Answer:

Five different forces have influenced human evolution: natural selection, random genetic drift, mutation, population mating structure, and culture. All evolutionary biologists agree on the first three of these forces, although there have been disputes at times about the relative importance of each force.

Explanation:

What would happen if a persons body temperature drop to low or got too high

Answers

They would most likely die or get very sick
Getting too cold can restrict blood circulation and getting too hot you can get a fever and can cause brain damage and you can sweat out many needed chemicals

A fungus on the roots of a plant helps the plant absorb nutrients it needs from the soil, while the fungus gets what it needs from the plant. What type of symbiotic relationship is this?

Answers

mutualism is the relationship where both organisms benefit from each other in some way

The answer to this statement is Mutualism.

A symbiotic relationship in which one organism is benefited by the other organism and the other organism does the same to the organisms on it is mutualism. This is beneficial for both the organisms. The fungus on the roots of the plant helps in absorption of nutrients from soil, while the fungus fulfill its nutritional need from the plants.

Which of the following usually occurs with a short circuit

Answers

ANswer choices are:

a. All parts of the circuit will begin to carry higher amounts of current than normal.

b. The material within a fuse may begin to melt when the current ceases to exist.

c. All parts of the circuit will begin to carry lower amounts of current than normal.

d. Most of the current will flow through one part of the circuit.

____________________________________________________________

The correct answer is

a. All parts of the circuit will begin to carry higher amounts of current than normal.


Explanation:


When two or more than two conductors of different phases touch each other in a power line, the part of the impedance is shunted out of the circuit due to which a large current flow in the un-faulted phases, such current is called the short circuit current. Short circuit current decreases the impedance in the circuit while the current in the circuit increases.

a. All parts of the circuit will begin to carry higher amounts of current than normal.


Do all theories become laws? Explain.

Answers

No because laws are exact and there are no exceptions to laws while theories can have exceptions.
No, because not all theories are correct.

The thin mantle of life that covers the Earth is called a(n): a. ecosystem. c. population. b. biome. d. biosphere.

Answers

 the answer is d. biosphere

What season is in August

Answers

Summer is correct. Hope this helps! ;)
Spring- March 1 - May 31
Summer- June 1 - August 31
Fall(Autumn)- September 1 - November 30
Winter- December 1 - February 28 (February 29 is a Leap Year)

In conclusion August is part of the Summer Season

Your Welcome :)...

Given how the process of evolution appears to occur, how might concepts presented in this unit be used to help predict how any given organism might evolve in the future? How might this knowledge lead to human intervention, positive or negative, in that organism’s natural evolutionary process?

Answers

An organism will evolve by natural selection, or the ability to adapt to an environment in the best possible way. For example, if carbon pollution continues to occur on a mass scale, the lungs of many land animals may evolve to filter out carbon from the air they breathe in. With this knowledge, humans may continue to be negligent about the environment. Factories may raise the amount of CO2 they release into the atmosphere at a rate in which evolution of the animals' lungs may not catch up to. This could inevitably lead to the mass extinction of hordes of animals.
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