Peppered moths come in two color variations, as shown below.

Prior to the Industrial Revolution, the majority of the population in England consisted of the light colored variation. The dark colored moth became the dominant variation by the end of the 20th century and remained so for almost 100 years. Today, the light colored variation is dominant again.

What is the best explanation for this?

A.
A single variation can be beneficial under some conditions and harmful under other conditions.

B.
Populations with two variations have a better chance of survival than populations with more.

C.
One variation will always be harmful, and the other will always be beneficial.

D.
A single variation can be beneficial in all conditions or harmful in all conditions.

Answers

Answer 1
A. A single variation can be beneficial under some conditions and harmful under other conditions

Related Questions

Which two elements is the mantle primarily made of?.

Answers

Answer:

Explanation:

In terms of its constituent elements, the mantle is made up of 44.8% oxygen, 21.5% silicon, and 22.8% magnesium.

Which country has the largest natural gas reserves

Answers

Answer:

Russia

Explanation:

24.3% of the world's share comes from Russia! That's the most

Russia has 24.3% of the natural gas reserves in the entire world. It possessed 37.4 trillion cubic meters of fossil fuel in 2020, up three trillion cubic meters from ten years before.

What is natural gas reserves?

Natural gas reserves are substantial amounts of natural gas that are thought to exist with a high degree of certainty based on geological surveys and engineering research.

These reserves are not only known to exist, but they are also accessible and economically viable to extract.

Thus, Russia is the largest natural gas reserves in the world.

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What is the main factor that affects local winds?
trade winds
the Coriolis effect
altitude
uneven heating of Earth’s surface

Answers

Answer:

The answer is B

Explanation:

i put it in answer form for you :)

The purpose of a map’s scale is to help __________.
(A.)<=a
measure distances
B.
find cardinal directions
C.
understand symbols
D.
identify the purpose of a map

Answers

Answer:

A. measure distances

Explanation:

The purpose of a map’s scale is to help measure distances. It can show large distances on the map as much smaller by conversion of the map's scale.

Answer:

A. measure distances

Explanation:

The highest peak in North America, Mt. McKinley (or Denali), is located in the state of __________. A. Nevada B. Washington C. Colorado D. Alaska Please select the best answer from the choices provided. A B C D

Answers

Answer:

D. Alaska

Explanation:

Mount McKinley is the tallest mountain in north America.

-Justin:)

PLEASE HELP WILL MARK BRAINLIEST
Why is the Haung He considered to be a very dangerous river? PLEASE MAKE THE ANSWER SCHOOL APPROPRIATE

Answers

Answer:

The river is extremely prone to flooding and accounts for some of the deadliest disasters in human history

Which of the following are included in the five themes of geography?
Check all that apply.
A. Physical goggraphy
O B. Location
C. Human-environmental interaction
D. Cartography

Answers

C&OB

Because human environment interaction theme examine all how we have done and continue to do this. Location is the only one piece of the framework of geography,yet it is important theme because I help us know and express where things are.

what are the 3 ways government can do in order to reduce or better still do away with environmental issu

es

Answers

Answer:

1. They can help restore the natural part of the ecosystem. Protecting the forests, rivers, oceans, wetlands, etc.

2. Help small producers in the agricultural industry.

3. They can advertise and advocate for more people to use green energy (solar energy, wind energy, hydro energy, etc.)

If you wanted to fly through a cloud, which atmospheric layer would you fly through?.

Answers

Answer:

The lower Stratosphere

Explanation:

that's where planes fly to avoid heavy amounts of turbulence

Answer:

Commercial jet aircraft fly in the lower stratosphere to avoid the turbulence which is common in the troposphere below. The stratosphere is very dry air and contains little water vapor. Because of this, few clouds are found in this layer and almost all clouds occur in the lower, more humid troposphere.

How was the climate of India different when it was part of Pangaea?

Answers

Answer:

The climate of India was different than now when it was part of Pangea because "Pangea in the Late Carboniferous had widespread peat formation in what is now central and eastern North America and Europe and relatively dry conditions on the Colorado Plateau. equatorial region of Pangea was dry, and indicators of aridity and rainfall seasonality became more widespread." So this is telling the difference between how India's weather was back then and how it is now.

Hope this helps

What intrusive volcanic activity may occur at a fold

Answers

Answer:

when magma is forced into the rocks that make up the Earth's crust.

Explanation:

Intrusive volcanism is when magma is forced into the rocks that make up the Earth's crust. When it cools and becomes solid while still underground, different features called plutons are formed. The rock formed is intrusive igneous rock.

Read the passage.


"It is in fact their great distance which is ""the reason of their diminution,"" for many of them are very many times larger than the star which is the earth. "


–"In Praise of the Sun,"

Leonardo da Vinci


Which is the best paraphrase of the underlined text in the passage?


why the stars are bright

why the stars are smaller

why the stars are so far away

why the stars are larger than the sun

Answers

Answer:

why the stars are far away

Answer:

The answer is B

Explanation:

Edge

I need help asap. The topic is geology

Answers

Answer:

is item A

Explanation:

If I help you give me a crown and dots, thanks

Which route best connects iron ore to the large bituminous and anthracite coal mines located west of pittsburgh?.

Answers

The route that best connects iron ore to the large bituminous and anthracite coal mines is the Great lakes to Cleveland .

What is iron ore?

Iron ore ssrves as one of the mineral resources which can be heated in the presence of a reductant to produce a metallic iron.

It is usually inform of iron oxides and primary forms of which are magnetite , which can be found at Great lakes of Cleveland .

Learn more about Iron ore at;

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From a hot-air balloon, Jace measures a 31 ∘ angle of depression to a landmark that’s 331 feet away, measuring horizontally. What’s the balloon’s vertical distance above the ground?

Answers

Answer: 198.86 ft

Explanation:

In ΔABC, we have:

[tex]\begin{aligned}\Rightarrow \quad \tan 31 &=\frac{\text { height }}{\text { base }}=\frac{h}{331} \\\Rightarrow \quad h &=331 \times \tan 31 \\&=0.6008 \times 331 \\h &=198.86 \mathrm{ft}\end{aligned}[/tex]

Does anyone know what latitude zone similar to? Easy points

Answers

The equator I believe

Why the world population did not grow in the earlier centuries? explain

Answers

Answer: Disease (economic disruptions) Also keep in mind that bacterica, cancer, tumors etc. were not brought up till the 1980's - 2000's

Explanation: Look at my comment because it got cencored for some reason

Why arent countries where gold mines located richest

Answers

Answer:

Corruption

Explanation:

An abundance of natural resources don't always equate to wealth. Japan for example has few natural resources but is high in human capital.

Countries with gold mines might not be the richest possibly because of corruption, exploitation, and conflict.

This video might be of some help to you: "Why Some Countries Are Poor and Others Rich"

Corruption, exploitation, and conflict, are the reason of countries with gold mining may not be the richest. Natural resources in abundance may not automatically imply affluence.

What is gold mining?

The extraction of gold resources via mining is known as gold mining. Historically, manual separation procedures such as gold panning were employed to extract gold from deposits.

complex extraction procedures such as pit mining and gold cyanidation  have emerged. Large firms carried out the majority of mining in the twentieth and twenty-first centuries.

Thus, Corruption, exploitation, and conflict are the reasons.

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The mont blanc region is known for an abundance of what?.

Answers

Answer:

Explanation:

Besides the world famous Mont Blanc, this mountainous region is known most commonly for its abundance of ski resorts.

Mont Blanc is known as "the Roof of Europe" because of its thrilling viewpoints of the Aiguilles Rouges mountain ranges and Chamonix Valley. It's also one of the best ski areas in France. Tourists can enjoy the scenery and views on various hiking trails or by taking one of the gondola lifts.

How many countries are there in Asia?
Thanks :)

Answers

Answer1+1 equal everything

Geography and History of the World. How does the climate affect life in East Africa?

NOT CLIMATE CHANGE, JUST CLIMATE!

Answers

There are changes in the frequency, intensity, and predictability of precipitation. This means water is more scarce, and agriculture abilities are limited.

What are some geography similarities in india and usa

Answers

Similarities between India and the United States geographically:

- They both have tropical areas. Both countries are not 100% tropical but they both have tropical areas.

- They’re both on the top ten of largest countries. India is ranked #7 and the United States is ranked #4.

Both countries have long coastlines and are located near the world's three largest oceans: the Pacific, Arctic, and Atlantic. The welfare states of the United States of America and the Republic of India have now collided.

Why is the United States important to India?

The cooperation between the United States and India is built on a common commitment to freedom, democratic ideals, fair treatment for all citizens, human rights, and the rule of law.

Through trade, investment, and connectivity, the US and India have a common interest in supporting global security, stability, and economic development.

Thus, Both the countries have long coastlines and both of them are collided.

For further details about the USA and India, click here:

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Which is a major drawback to the use of hydrogen power?
O
A. The use of fossil fuels is required to create pure hydrogen.
B. Hydrogen power creates toxic waste that must be stored forever
C. Hydrogen may run out in the next 100 years.
O D. Burning hydrogen releases greenhouse gases.

Answers

Answer:

1. The expenses 2. It's also really flammable 3. It also emits a greenhouse gas.

Answer:

the answer is A

Explanation:

If old mountains wear down over the course of millions of years, what is one of the primary reasons that mountains still exist?
A.
New mountains are created as a result of severe weather events, such as tornadoes and hurricanes.
B.
New mountains are created from the erosion of rock and soil.
C.
New mountains are created as leaf litter builds up over millions of years.
D.
New mountains are created through volcanic activity and lithospheric plate movement.

Answers

Answer: never

explaining is right about this

Which of the following statements about using geothermal energy is not true? a. geothermal energy can be used to fuel vehicles. b. geothermal energy can be used as a source of electricity. c. geothermal energy can be used as a source of heat. d. geothermal energy is a renewable resource. please select the best answer from the choices provided a b c d

Answers

Which of the following is the CORRECT statement about Geothermal energy? Geothermal energy is the heat energy present on the surface of the Earth. Geothermal energy is the heat energy present in the interior of the Earth. Geothermal energy is the heat energy present on the surface of the ocean.

Geothermal energy cannot be used to fuel vehicles. The statement is not true as geothermal is renewable energy and cannot use as a fuel for vehicles.

What is geothermal energy?

The heat derived from the earth's subsoil is known as Geothermal energy. The steam is produced by hot water reservoirs a few miles or more beneath the earth's surface.

Thus, option B is not correct.

For further detail on the geothermal energy refer to this link:

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Generally, the greatest lake effect snow fall will be on the ____ shore of the Great Lakes. Select one: a. northern b. southern c. eastern d. western

Answers

Answer:

eastern

Explanation:

What country would you be in if you were to travel due west from the state of maine

Answers

Canada, you would be traveling to Canada if you were to travel due west from the state of Maine.

how was power distributed in ancient india?

Answers

The empire was divided into many provinces and each one of these provinces was governed by a governor and council of ministers. In the provinces there were local officials called rajukas, who became more powerful during the reign of Ashoka.

Power was distributed through a class system called the caste, and can be compared to the feudal system seen in Western Europe before the renaissance era.

The four technique Homer use to show direction on sea

Answers

Dude I can't help. There is no information about this.

Answer:

None

Explanation:

Homer was a poet. He was not an experienced sailor.

The term ______ means that the groundwater is in a confined aquifer and under enough water pressure that the water will rise some amount within a well.

Answers

(artesian) is the answer:)
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