Which of the following is the cleanest-burning fossil fuel?(1 point)
Responses
A. crude oil
B. coal
C. natural gas
D. carbon
C. natural gas
Which of the following chemicals are pollutants released when people burn fossil fuels? Select the two correct answers.(1 point)
Responses
A. argon dioxide
B. dihydrogen oxide
C. nitrogen dioxide
D. sulfur dioxide
E. helium oxide
C. nitrogen dioxide
D. sulfur dioxide
How do changes in the atmosphere from burning fossil fuels affect plant life? Select the two correct answers.(1 point)
Responses
A. Increased carbon dioxide levels slow plant growth.
B. Increased ozone levels slow plant growth.
C. Warmer temperatures support plant growth.
D. Acid rain removes nutrients from soil.
E. Increased nitrogen dioxide levels provide nutrients for plants.
A. Increased carbon dioxide levels slow plant growth.
D. Acid rain removes nutrients from soil.
How does the use of fossil fuels affect the cryosphere?(1 point)
Responses
A. Higher levels of greenhouse gases in the atmosphere cause sea ice to melt.
B. Acid rain containing sulfur dioxide corrodes sea ice and glaciers.
C. Particulate matter in the atmosphere helps new glaciers form.
D. Higher levels of ground-level ozone protect glaciers from the sun's rays.
A. Higher levels of greenhouse gases in the atmosphere cause sea ice to melt.
What happens when carbon dioxide from the atmosphere dissolves in seawater?(1 point)
Responses
A. Ocean temperatures rise.
B. Oceans are better able to support most sea life.
C. Ocean waters become more acidic.
D. Ocean levels rise.