What is the cause of changes in the direction of light?

Answers

Answer 1

Answer:

Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. ... When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction

Answer 2
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. ... When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction.

Related Questions

The Philippines best fits what type of state morphology?
Elimination Tool
Select one answer
A Compact
B Elongated
C Fragmented

Answers

C- Fragmented
I hope this helps you !!!!

Fragmented is the type of state morphology. as the Philippines best fits. Hence, option C is correct.

What is morphology and examples?

Biology's study of the dimensions, forms, and internal relationships of animals, plants, and microbes is known as morphology. The phrase describes the basic biological features of a plant's or animal's component arrangement and structure.

The study of morphology examines how morphemes, or the constituents of words, combine or stand alone to convey a variety of meanings. For instance, adding the suffix -s to the morpheme cookie results in the creation of the new word cookies, which has a slightly different meaning than the singular form.

Studying words and their constituent elements is known as morphology. Morphemes are regarded as the smallest significant units of meaning, along with prefixes, suffixes, and base words. Morphmes are significant.

Thus, option C is correct.

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HI!!! :D

1. True/False
Indicate whether the sentence or statement is true or false.

Europe's navigable rivers and good natural harbors have made trade in Europe difficult




2.The Ruhr coal field in ____________ is one of the largest in the world.
a.
Germany
c.
Great Britain
b.
Italy
d.
Poland



3. Europe lacks some natural resources such as _________________.
a.
water
c.
forests
b.
coal
d.
oil


4. Which of the following is not a major biome in Europe?
a.
tundra
c.
temperate forest
b.
taiga
d.
boreal forest



5. In Iceland and the British Isles, the ocean creates a __________________ .
a.
mild temperatures
c.
hot and humid temperatures
b.
cold and wet temperatures
d.
hot and dry temperatures

PLS HAVE A GOOD DAY!!! :D

Answers

Answer:

true

a.

Germany

d.

oil

a.

tundra

b.

cold and wet temperatures

The strength of tides is related to the position of the Sun, Earth, and the Moon. The diagrams show the alignment of the Sun, Earth, and the Moon on different dates. How did the tides for September 26 compare to the tides for October 3?



The tides on September 26 were stronger than the tides on October 3.

The tides on September 26 were weaker than the tides on October 3.

September 26 and October 3 produced spring tides.

September 26 and October 3 produced neap tides.

Answers

Answer:

I think option A is correct

The tide is a rise and fall of water, produced on the 26 Sept will be stronger as compared to the tides produced on October 3 as they fall under spring tides.

The tides are a result of the gravitational attraction and the position of the sun and moon.

Due to the moon is closer but smaller in size it exerts a tidal force that is less than that of the sun. While the sun is farther but huge in size hence has greater gravitational potential.As per the image, the tidal effect of the sun and moon on earth will produce a combined effect know as a spring tide. As compared to the neap tide produce on October 3.

Hence the option A that is tides of September 26 will be stronger than those on Octo 3.

Learn more about the strength of tides is related to the position of the Sun, Earth, and the Moon.

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Where does an animal get its genes?
A. All from its mother
B. All from its father
C. Half from mother and half from father
D. Most from mother and some from father

Answers

Answer:

c, half mother and half from father

Explanation:

c, half from mother and half from father

Sparta was one of the ancient Aegean __ with its own ruler and government.



A. City-States

B. Districts

C. Empires​

Answers

Answer:

City states

Explanation:

there was no Greek empire just city states

Sparta was a city-state so the answer would be: A. City-States

The Earth’s surface is divided into __________ continents and __________ oceans.
A.
eight . . . three
B.
seven . . . four
C.
six . . . three
D.
seven . . . two

Answers

Answer:

B

Explanation:

Answer:

The answer is B

Explanation:

There are 7 continents (Africa, Antarctica, Asia, Australia, Europe, North America and South America.)

There are 4 oceans (the Atlantic, Pacific, Indian, and Arctic.)

In 1952 London England, 4,000 people died of a type of foggy smog. What would be the probable cause for this pollution
A) The daily primary pollution added to secondary pollution created a killer fog.
B) Industries were burning too much coal and heavy oil and it created smog.
C) The surrounding countryside had an overpopulation of grazing animals emitting too much
ammonia.
D) The number of diesel road vehicles such as cars, buses, and trucks tripled after World War II.
E) None of the above.

Answers

Answer:

I think it is B......

Explanation:

the killer smog of London 1952 was caused by thousands of people burning domestic furnaces because it was so cold outside. The smog from the coal furnaces is what caused primary pollution and particulate matter in the air. Industries were also burning fuel at the time.

What term describes both alleles being
expressed within an offspring?
A. Genotype
B. Complete dominance
C. Codominance dominance
D. Full dominance

Answers

Answer:

C

Explanation:

i am sorry if this is wrong

The term that describes both alleles being expressed within an offspring is known as Codominance dominance. Thus, the correct answer is option (C).

What is Codominance?

In genetics, codominance refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to produce different traits in an individual. That is, instead of one trait predominating over the other, both traits appear, as in a plant or animal with multiple pigment colors.

The MN blood group system of humans is an example of codominance. Two alleles, M and N, govern MN blood type. The M antigen is a surface molecule seen on red blood cells in people who are homozygous for the M allele. Those who are homozygous for the N allele also have the N antigen on their red blood cells.

Therefore, Codominance dominance is the correct answer.

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Communist Socialism in China led to...


a glorious "People's Paradise" in which workers shared labor, worked according to ability, and received according to need.

an end to wealthy elites and the privileged classes and social equality for all comrades.

rapid economic and agricultural growth, despite sacrifices that had to be made, for the "Good of the State."

privation and famine, mass-starvation, government brutality and mass executions, not that Mao cared.

Answers

Answer:

Option B

Explanation:

Communist Socialism was the emergence of socialism in China by bypassing capitalism.

It was marked by the down fall of rich elite class and emergence of socialist democracy and  socialist political civilization

Now there will be dominant state-owned enterprises sector along with the market capitalism and private ownership

hence, option B is correct

plz help
How are fertilizer schedules for turf, vegetables, and houseplants different? How are they similar?

Answers

Answer:

Needs at different time and rates.

Explanation:

There are different fertilizers for turf, vegetables, and houseplants because different plants have different needs of fertilizer requirement and different amount of fertilizer is applied to different stages of plants. All these crops needs Nitrogen, phosphorus and potassium in large amount for better growth and productivity. These nutrients such as Nitrogen, phosphorus and potassium needed by the plant at different amounts due to the crop physiology.

A 30-foot ladder is leaning against a wall. The foot of the ladder is 20 feet
from the wall. How high up the wall does the ladder reach?

Answers

Answer: it reaches 50 feet :)

Explanation:

30+20=50

Answer:

22.36 ft.

Explanation:

Pythagorean theorem; it's just b=c2﹣a2=30 squared﹣20 squared=22.36068

what is the other name for doldrum​

Answers

Answer:

The other name for doldrum is called equatorial calms.

Explanation:

Hope this helps! :)

The photo shows the San Andreas fault zone. This is a fault formed at a transform boundary.

What would you expect to find along this fault?

rift valleys
volcanoes
earthquakes
mountains

Answers

Answer:

C. Earthquakes

Explanation:

Just did the quiz. It is not mountains.

Answer:

C

Explanation:

Which statement best completes the diagram? Northern European countries have high tax rates =
A. Northern European countries have little social mobility

B. Northern European governments provide many social services

C. Northern European citizens are mostly very poor

D. Northern European economies have grown very slowly.​

Answers

Answer:B

Explanation:

Explain the tradition of the place they visited.

Answers

There are various reasons for which a person likes traveling. Maybe you like to see new places and explore locations you have never seen before. Maybe you like looking at beautiful landscapes. Alternatively, perhaps you are interested in the culture and traditions a certain nation has. The latter is not as common as the first ones, but it is a legitimate reason to travel across the world. Some people are just curious to see what is like to live in another country. Some nations have a unique way of life, something that you do not see every day. Certain traditions have been kept for hundreds or thousands of years. Those are the ones you want to see. To witness such things, you must know which cultures hold them. Below you will find a list with ten destinations where tradition is put on a pedestal. You will have a lot to learn from the people you find there.

Answer:

People travel for pleasure and need. People have to travel for work, to move location, to study or attend family. People like to travel for many kinds of pleasure. They like to see beautiful places, explore cultures and cuisines. Some like to try activities in different locations or visit family and friends.

write 2 5/6 as a improper fraction

Answers

17/6

Multiply the whole number by the denominator, add the answer to the numerator. That sum becomes the new numerator, denominator stays the same.

How did the Lord’s Resistance Army (LRA) affect the lives of Grace Akola and others in Uganda?

Answers

In practice "the LRA is not motivated by any identifiable political agenda, and its military strategy and tactics reflect this".[14] It appears to largely function as a personality cult of its leader Joseph Kony,[13] a self-declared prophet whose leadership has earned him the nickname "Africa's David Koresh".[15]

what is the cause of most earthquakes group of answers
a) Convection currents inside the earths mantle cause movements in the crust
b) rocks layers break apart along fault lines releasing large amounts of energy
c) volcanic eruptions like mt. saint Helen's are main cause of earth quakes
d) the earth crusts breaks away and moves suddenly into mantle ​

Answers

I believe it’s A
but that’s just my guess

8. How was the Berlin Act a change in international affairs?

Answers

Answer:

It was a change because They had negative impacts such as, loss of land, enslavement in these new territories, natural resources being taken from the people, and European disease.

What is the Green Revolution (name 4) and what problems are associated with it
(name 4)?
Please help

Answers

Answer:

Green Revolution is great increase in production of food grains,by using insecticide and pesticide

.problems are associated with it:

Loss of soil fertility, erosion of soil, soil toxicity, rare water resources, pollution of underground water,

Airplanes travel in this layer when they are at cruising speed

Answers

while at cruising speed planes are in the troposphere

If the North Pole is having summer, what season is the South Pole having?

Answers

Answer: winter the end of winter

Explanation:

Answer:

Winter

Explanation:

Remember that whatever the North Pole is having, the South Pole is the exact OPPOSITE. (North and South are also opposites)

the salinity of bay of bengal is ............. than that of arabian sea.
a) less b)more. c) same d) equal​

Answers

A is the answer
the salinity of bay of bengal is less than that of arabian sea!
a) less, because the Arabian Sea and the Persian Gulf are the saltiest

the map shows where a few resources could be found within the continent of Africa

Answers

Answer:

B is the most reasonable answer.

Explanation:

hope this helps :) lmk if i got it right!

Answer:

B

Explanation:

i took this quiz on A P E X

What are the sources of the energy that drives the earth’s processes?
Select one:

A. The sun and the earth’s interior.
B .The sun and chemical reactions.
C. The earth’s interior and chemical reactions.
D. The earth’s interior and gravity.

Answers

Answer:

Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.

Explanation:

Hope It helps

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why are Jupiter, Saturn, Uranus, and Neptune less dense than the inner planets?

Answers

Becuase of their unique atmospheres and size
The eight planets of our Solar System vary widely, not only in terms of size, but also in terms of mass and density (i.e. its mass per unit of volume). For instance, the 4 inner planets – those that are closest to the Sun – are all terrestrial planets, meaning they are composed primarily of silicate rocks or metals and have a solid surface. On these planets, density varies the farther one ventures from the surface towards the core, but not considerably.

What is the main reason so few African leaders are replaced in free elections?

Answers

Answer:

The main reason so few African leaders are replaced in free elections is because the vast majority of African nations have serious socio-political and economic problems, which generate enormous political instability and serious situations of social tension. Thus, for example, countries like Mali have 75% of their population living on less than 2 dollars a day, while others, like Nigeria, increase this percentage to 92%.

Thus, these situations of poverty, need for primary resources and lack of opportunities generate social conflicts that, translated into politics, are the starting point for revolutions, dictatorships and other anti-democratic manifestations.

Cute Features Caused By Gene Mutations Chart


Define the term mutation- _A mutation occurs when a DNA gene is damaged or change.______________________________________________ ______________________________________________________________________


Trait
Description
Cause
Dimples










Multicolored Eyes










Freckles










Cleft Chin

Answers

Answer:

I'm sorry this isn't the answer, but I just want you to know that you are incredible and that I love you for you! You are special to everyone you meet, and should not change who you are. I know your life may be tough, but you are strong and can get through it!

Explanation:

imagine that jesus is standing before you what kind of help will you ask him to give you and why​

Answers

Answer:

Explanation:Imagine giving a special gift to a friend—something your friend really needs and ... When we don't invite Jesus to help us become clean through repentance

i would ask him to help me with my school work

Desertification occurs when drought and human activity destroy once-fertile land and water resources. The Sahel region of the Sahara is an area particularly affected by desertification. Lake Chad, located within the Sahel, is now referred to as “Africa’s disappearing lake,” as it is literally shrinking. Watch this video on desertification and read this article about Lake Chad. Based on what you learn from these resources, write a brief essay giving specific examples of how human activity has contributed to the problem of desertification in the Sahel region. How has the problem affected Lake Chad? How has it endangered the local population’s way of life?

Answers

Answer:

Human activity, including irrigation practices, hydroelectric dams, and intense agricultural use, have led to desertification in the Sahel region. In addition, global warming has added to the problem. Over time, the soil becomes overused and sterile. As that dry and arid soil moves, it begins to encroach on local bodies of water. Lake Chad, as a result, has shrunk in size. Just 40 years ago, this lake contained 15,000 square miles of water. It now contains just over 500 square miles of water.

The locals of this region depend heavily on both fertile soil and healthy bodies of water for survival. Desertification can greatly endanger their way of life. For example, famers cannot produce the necessary crops, and fishers cannot rely on as much seafood. The article mentions that fishers who used to be able to fill hundreds of traps can now barely fill one. Desertification in the Sahel and its impact on Lake Chad will have a lasting effect and could possibly mean a different way of life for generations to come in the region.

Explanation:

The Sahel region's desertification is an issue as, without the roots of trees and other plants, the wind may easily sweep the dust away.

Due to these problems, water is now in short supply for local residents, animals, and plants. Farmers and herders are unable to continue living their traditional lifestyles without access to water and productive land.

How has desertification affected Lake Chad?

The "Basin" of Lake Chad, which makes up over 8% of the continent, is divided among seven nations: Algeria, Cameroon, Libya, Chad, Niger, and Nigeria. Due to overuse and the consequences of climate change, the water body has decreased by 90% since the 1960s.

As a result of desertification and climate change, which have reduced Lake Chad's surface area by 90% since 1960, the lake is gradually disappearing. The lake is located in the center of the humanitarian catastrophe brought on by the fight with the Boko Haram group's armed forces, making it dangerous to access what little is left.

The lake was formerly among the world's greatest bodies of water.

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