how does a change in speed cause a wave to change direction​

Answers

Answer 1
When a wave enters a new medium at an angle, one side of the wave changes speed before the other side. This causes waves to bend. Bending occurs because the different parts of the wave travel at different speeds.
Answer 2

Answer:

Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... The wavelength decreases as the light enters the medium and the light wave changes direction.


Related Questions

In a plant that has red flowers red flower color R is completely dominant to white flower color r if the plant is heterozygous for flower color which alleles will be carried by the gametes it produces

Answers

Answer:

Red flower color, R.

Explanation:

Red color, expressed as R, is a dominant trait. Dominant traits are always carried to offspring over recessive traits, such as white flower color.

RR = Red color

Rr = Red color

rr = White color

Question 3 of 10
A cell membrane is very specific about what it allows across. How does this
help the cell?
A. It helps the cell absorb as many different molecules as possible.
O B. The cell works better when it contains fewer proteins.
O C. Transport proteins allow only enzymes to pass through the
membrane.
D. It is better for the cell if most molecules are prevented from
entering
SUBMIT

Answers

Answer:

D

Explanation:

After leaving your stomach, your food travels into your

O mouth
O esophagus
O small intestine
O large intestine​

Answers

Answer:

O small intestine

Explanation:

in our body, what is the process of moving eliminating waste?

Answers

Answer:

Explanation:

Excretion is the process of removing wastes from the body. Organs of the excretory system include the kidneys, large intestine, skin, and lungs

Can someone please write a small two or three sentences about how respiration and photosynthesis work together

Answers

Answer:

humans breath out carbon dioxide which plants need to make energy. then, after photosynthesis, plants let out oxygen that gives humans energy. it is a never ending cycle.

Explanation:

Please help is for today

Answers

Answer:

It is cold in the winter time, so you feel coldness. It is warm in the summer.

Which of the following gives you information about population density?
A
the number of births per year

B
the number of frogs in a pond

C
the number of deaths per year

D
the number of bacteria per square millimeter

Answers

Answer:

the number of births per year

The number of frogs in a pond gives you information about population density. Therefore, the correct option is B.

What is population density?

Population density is the measure of the number of individuals in a population per unit of area or volume. Option B, the number of frogs in a pond, provides a direct measure of the population size in that particular habitat. The more frogs there are in a pond, the higher the population density.

Options A and C, the number of births or deaths per year, may give some information about population growth or decline but do not provide information about density. Option D, the number of bacteria per square millimeter, may give information about population density, but this applies specifically to bacterial populations, and not necessarily to populations of other organisms.Therefore, the correct option is B.

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Scientists conduct investigations to answer questions. Before making a valid conclusion, scientists must-
A- collect relevant evidence
B- tell people about the data
C- publish results from the investigation
D- discuss the investigation with other scientists

PLSSS HELPPPP

Answers

A- to collect relevant evidence

Para que sirve el estomago?

Answers

Answer:

Órgano que forma parte del aparato digestivo. El estómago ayuda a digerir los alimentos al mezclarlos con jugos digestivos convirtiéndolos en líquido diluido.

El estómago ayuda a digerir los alimentos al mezclarlos con jugos digestivos convirtiéndolos en líquido diluido.

In Minnesota, ecologists want to restore an abandoned cow pasture into a prairie ecosystem. The soil in the abandoned pasture is homogenous with high nitrogen content and is dominated by bunch grasses that prefer high nitrogen conditions and inhibit the establishment of other native prairie plant species. The ecologists decide to introduce native pocket gophers to the prairie to facilitate the restoration. Which of the following factors is improved by adding pocket gophers to the abandoned pasture?
A. Interspecific plant interactions inhibit plant growth and establishment.
B. Colonization is limited by poor dispersing plant species.
C. Plant establishment is limited by suitable "safe" sites that are protected from weather extremes
D. Herbivory can restrict establishment of plants that are attractive to herbivores.

Answers

Answer:

The factor that is improved by adding pocket gophers to an abandoned pasture is:

B. Colonization is limited by poor dispersing plant species.

Explanation:

In ecological management, colonization describes the action by a plant or animal to establish itself in an area.  When pocket gophers are added to an abandoned pasture, the area is repopulated by these rodents.  By their nature, pocket gophers move some quantity of soil annually, thereby aerating the soil.  Moreover, they build tunnels, which they later abandon for other species as natural habitat.  They also leave some waste products to fertilize the soil, making the ecosystem alive again.

Polar Easterlies are winds that form at the ___ and the blow east to west

A.poles
B.west
C.east
D.equator

Answers

Answer:east

Explanation:

Polar easterlies are dry, cold prevailing winds that blow from the east. They emanate from the polar highs, areas of high pressure around the North and South Poles. Polar easterlies flow to low-pressure areas in sub-polar regions. Westerlies are prevailing winds that blow from the west at midlatitudes

What are the names of the two imaginary lines that mark the end of the tropical zone around the equator?

Answers

Answer:

Tropic of Cancer marks the northern edge. Tropic of Capricorn marks the southern edge.

Explanation:

good luck

Answer:

longitude and latitude

hi! please help me fill out the blanks :

In some ways, a cell resembles a plastic bag full of Jello. Itd basic structure is a ______ membrane filled with _______. Like jello containing mixed fruit, the cytoplasm of the cell also contains various structures , such as a _______ and other ______

(these are the words to fill it in with!)

cytoplasm
plasma
nucleus
organelles

Answers

Answer:

Line 1.  Plasma

Line 2.  Cytoplasm

Line 3. Nucleus

Line 4. Organelles

Explanation:

Which is a property of all unicellular organisms, but not all multicellular organisms?

New cells arise from other cells

DNA is contained in the cell nucleus

DNA is contained in the cytoplasm of cells.

Cells can survive independently of one another.

Answers

Answer:

New cells arise from other cells.

Explanation:

Can either be through budding or binary fission

PLEASE ANSWER ASAP
Which of the following statements accurately describe a chromosome? Select all that apply.

a. Chromosomes contain one long DNA molecule that is tightly wound

b. Every chromosome has many genes as each gene is one segment of DNA

c. Every chromosome has one gene as an entire DNA makes up a gene

d. In any given organism, the gene(s) found on one chromosome can also be found on other chromosomes.

Answers

Answer:A

Explanation:

The statements that accurately describe a chromosome are:

a. Chromosomes contain one long DNA molecule that is tightly wound.

b. Every chromosome has many genes as each gene is one segment of DNA.

d. In any given organism, the gene(s) found on one chromosome can also be found on other chromosomes.

What is a chromosome?

A chromosome can be defined as a thread-like linear strand of deoxyribonucleic acid (DNA) that is typically found in the nucleus of each cell.

The characteristics of a chromosome.

In Genetics, some of the characteristics of a chromosome include the following:

Chromosomes is made up of a long deoxyribonucleic acid (DNA) molecule that is tightly wound.Every chromosome consist of many genes as each gene is a single segment of deoxyribonucleic acid (DNA).In any given organism, the gene(s) that is found on a chromosome can also be found on other chromosomes.

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please help me here the picture

Answers

Answer:

by using half to balance the equation

How are respiration and cellular respiration related?

Answers

Answer:

breathing is also known as respiration when you breathe in oxygen that your cells need for cellular respiration also when you breathe out carbon dioxide that your cells produce during the cellular respiration.

Explanation:

I hope this helps you ;)

Which is NOT a similar function of all cells?

A. photosynthesis
B. reproduction
C. absorption of nutrients
D. growth

Answers

Answer:

A

Explanation:

that is only plants

Which type of ecosystem would be the most protected from environmental changes caused by
humans?
a. An ecosystem with the lowest amount of biodiversity
b. An ecosystem with a medium amount of biodiversity
c. An ecosystem with the highest amount of biodiversity
d. Biodiversity does not have anything to do with protection from environmental change.

Answers

Answer:

C or B hope it helps mkjhbb

Which biome receives the most rain?

tropical rain forest
temperate rain forest
taiga
tundra

Answers

Answer:

A, Tropical Rainforest

Explanation:

They get the most rain, more than 66 inches every year

Answer: Tropical Rain Forest

The tropical biome found closet to the equator with warm temperatures and the most plant growth of any biome. It receives between 70-150 cm of precipitation per year.

Explain how the process of photosynthesis could connect to a carbon neutral or carbon negative energy source

Answers

H⁣⁣⁣⁣ere's l⁣⁣⁣ink t⁣⁣⁣o t⁣⁣⁣he a⁣⁣⁣nswer:

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Researchers find to imitate photosynthesis through utilizing concentrated carbon dioxide and suitable catalyzers. By this process, they were able to create fuels from solar energy by a process of artificial photosynthesis to collect high amounts of energy from the sun. Peidong Yang, a chemist at UC Berkeley, successfully developed the first photosynthetic biohybrid system (PBS) in 2015.PBS in which semiconductor it was treated as a first-generation PBS in which semiconductors and live bacteria are used to perform photosynthesis just like real leaves, absorb solar energy and formation of the chemical product occur by using water and CO2, releasing O2. This technology is termed artificial photosynthesis, and if this technology continues to improve, surely it will act as the future of energy.

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Taking two aspects of their relationship, explain how the marriage of the Prophet and Khadija set a good example for Muslim marriages today?

Answers

Answer:

Due to their behaviour towards each other.

Explanation:

The marriage of the Prophet and Khadija set a good example for Muslim marriages today because their strong relationship and respect towards each other is the key to their beautiful marriage life. In marriage life, both husband and wife has great contribution to their relationship. If both husband and wife respect each other and support in every situation of life so their relationship will be strong and they live a beautiful marriage life so we can say that the marriage life of Prophet (S.A.W) and Khadija is a good example for all Muslims.

Describe (briefly) what natural selection is (also, remember how I tend to describe natural selection)

Answers

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin, and it is now regarded as be the main process that brings about evolution.

Which one of the following IS NOT a characteristic of water ?
A. non -polar
B. adhesive
C. cohesive
D. high surface tension

Answers

Answer:

D

Explanation:

I may be wrong but I think it's D

Which of the following are the main parts of the cardiovascular system?

A. thymus, lymph, lymph nodes, spleen, and tonsils

B. esophagus, stomach, small intestine, and large intestine

C. nose, pharynx, larynx, trachea, and lungs

D. heart, arteries, capillaries, and vines

Pls, help! I am currently taking a test with this question on it! I will mark brainliest if u are correct!

Answers

(D)

HEART,ARTERIES,CAPPILARIES,AND VINES

HOPE IT HELPS THANK YOU ☺

This is an example of which factor that affects biodiversity?

pollution
nonnative species
habitat destruction
poaching

Answers

Answer:

Several years ago, fish from Asia were introduced into ponds in the United States. They have rapidly grown in numbers and use up a lot of the food and habitats of other fish that are natural to the United States.

This is an example of which factor that affects biodiversity?

pollution

nonnative species

habitat destruction

(poaching)

Explanation:

Or you can just say D

Several years ago, fish from Asia were introduced into ponds in the United States. They have rapidly grown in numbers and use up a lot of the food and habitats of other fish that are natural to the United States. Thus, option "D" is correct.

Why Poaching is illegal?

Poaching is the act of illegally killing an animal. The very prominent subject of poaching is the rhino, some species of which are now virtually extinct due to extensive illegal hunting. However, many other animals are also poached. For example, elephants are poached for the ivory in their tusks. Tigers are poached as trophy animals or for traditional medicine. Sea turtles and lemurs also suffer a similar fate for similar reasons.

Thus, option "D" is correct.

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how do you survive in mars

Answers

Answer: Human survival on Mars would require living in artificial Mars habitats with complex life-support systems. One key aspect of this would be water processing systems. Being made mainly of water, a human being would die in a matter of days without it.

Explanation: have a good day

Plsss help got to submitted today

Answers

Answer:

One interaction is between the deer and the grass the deer eats the grass and energy is transferred and then the mountain lions eats the deer and the deer's energy is transferred to the mountain lion

Explanation:

hears your answer :D

PLEASE HELP

The following table shows the distance from the sun of some unknown planets of
equal mass.

W - 1.5 AU
X - 0.723 AU

Which of the following best explains which planet revolves at a faster speed?

A. Planet W, because the gravitational force is weakened by distance

B. Planet X. because the sun pulls it with a greater force

C. Planet X, because the gravitational force is strengthened by distance

D. Planet W, because the sun pulls it with a greater force

Answers

Answer:B. Planet X. because the sun pulls it with a greater forceExplanation:

do your work and take notes

Answer:

C. Planet X, because the gravitational force is strengthened by distance

Explanation:

Got it right on my test

PLEASE ANSWER QUICK AND CORRECTLY
what is the complementary strand of DNA to this converted strand?
A-G-G-C-T-A
answers:
1. TCCGAT
2. UCCGAU
3. TTCGAT
4. TUGGCT

Answers

Answer:

1

Explanation:

a goes to t c goes to g

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