What role do producers play in the carbon cycle?

P

Preach Stansbury

New member
1. What role do producers play in the carbon cycle?
They release carbon dioxide for photosynthesis.
They use carbon dioxide during respiration.
They release carbon dioxide during transpiration.
They use carbon dioxide for photosynthesis.

2. Which of the following are often involved in a biogeochemical cycle?
molecules, living things, and the environment
living things
molecules
the environment

3. The burning of fossil fuels releases which of the following gases into the atmosphere?
oxygen

carbon dioxide

nitrate

nitrogen


4. What element is considered the building block of the structures of all living things?
nitrogen
phosphorus
oxygen
carbon

5. During which of the following steps of the water cycle is water changed from a vapor state to a liquid state?
transpiration
condensation
precipitation
evaporation

6. What effect can cutting down trees have on the water cycle?
Photosynthesis increases, thereby increasing the amount of carbon dioxide in the air.
Transpiration declines.
The amount of nitrogen-fixing bacteria increases.
Carbon dioxide is released into the air as trees are burned.
 
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