Quiz 3

What is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen?

• Decomposition

• Fermentation

• Photosynthesis

• Respiration

What is the primary source of atmospheric carbon dioxide?

• Volcanic eruptions

• Industrial waste

• 
  Ocean currents

• Respiration

Name one natural carbon sink.

• Desert

• City

• Ocean

• Forests

How does deforestation impact the carbon cycle?

• 
  It only impacts the carbon cycle in the oceans

• It has no impact on atmospheric carbon levels

• 
  It decreases atmospheric carbon levels

• 
  It increases atmospheric carbon levels

What human activities contribute to the increase in atmospheric carbon dioxide levels?

• Burning fossil fuels

• Using renewable energy sources

• 
  Reducing agricultural activities

• 
  Planting more trees and vegetation

How does the burning of fossil fuels affect the carbon cycle?

• It increases the amount of carbon dioxide in the atmosphere.

• It leads to the formation of new fossil fuels.

• 
  It decreases the amount of carbon dioxide in the atmosphere.

• 
  It has no effect on the carbon cycle.

What does NOT produce carbon dioxide?

• Photosynthesis

• 
  Animal respiration

• 
  Burning Fossil Fuels

• Plants decaying

Combustion is another word for __________.

• Transportation

• Fossil Fuels

• Respiration

• Burning

Organisms that do not decompose can be buried and become what?

• water

• air

• nutrients

• fossil fuels

Which of the following removes carbon from the atmosphere?

• Combustion

• Photosynthesis

• Respiration

• Death