Which of the following is an accurate statement about planet Earth?(1 point)

Question

Responses

Planet Earth has been relatively stable in terms of environmental conditions over its 4.5 billion-year existence.
Planet Earth has been relatively stable in terms of environmental conditions over its 4.5 billion-year existence.

Planet Earth is not greatly affected by humans.
Planet Earth is not greatly affected by humans.

Planet Earth is constantly changing
Planet Earth is constantly changing

Planet Earth is not experiencing changes in its oceans due to melting permafrost.
Planet Earth is not experiencing changes in its oceans due to melting permafrost.
Question 22
22. Which of the following represents one of the ways technology has had negative impacts on the physical environment?(1 point)
Responses

High-speed trains could one day reduce greenhouse gases if used in high numbers.
High-speed trains could one day reduce greenhouse gases if used in high numbers.

Hydroelectric power plants make it possible to create energy from water.
Hydroelectric power plants make it possible to create energy from water.

Fracking increases the amount of oil that can be extracted from the earth.
Fracking increases the amount of oil that can be extracted from the earth.

Factories and manufacturing centers cause waste and pollution in a number of ways.
Factories and manufacturing centers cause waste and pollution in a number of ways.
Question 23
23. What statement best explains why growing food crops had an advantage over hunting and gathering?(1 point)
Responses

Humans could better control the amount of food they produced.
Humans could better control the amount of food they produced.

Humans preferred plant-based food to animal-based food.
Humans preferred plant-based food to animal-based food.

Humans could use machines and mechanized tools.
Humans could use machines and mechanized tools.

Humans could work much less.
Humans could work much less.
Question 24
24. Which statement best explains why it is important to make a transition to renewable energy?(1 point)
Responses

Burning fossil fuels is bad for the environment.
Burning fossil fuels is bad for the environment.

Fossil fuels cannot be used to produce electricity.
Fossil fuels cannot be used to produce electricity.

New technologies are needed to use fossil fuels.
New technologies are needed to use fossil fuels.

The world has run out of fossil fuels.
The world has run out of fossil fuels.

Answer 1

Here are the most accurate statements for each question:

Question 21: Which of the following is an accurate statement about planet Earth?

• Planet Earth is constantly changing.

Question 22: Which of the following represents one of the ways technology has had negative impacts on the physical environment?

• Factories and manufacturing centers cause waste and pollution in a number of ways.

Question 23: What statement best explains why growing food crops had an advantage over hunting and gathering?

• Humans could better control the amount of food they produced.

Question 24: Which statement best explains why it is important to make a transition to renewable energy?

• Burning fossil fuels is bad for the environment.

These answers reflect a current understanding of environmental science and technology's impact on society.