biogeochemical cycles

Front

Burning fossil fuel has which effect in the carbon cycle?

Back

It adds carbon dioxide to the atmosphere.

Front

Which process takes carbon dioxide out of the atmosphere? Options: respiration, combustion, decomposition, photosynthesis

Back

photosynthesis

Front

How is Nitrogen removed from the air and put into a compound that living things can use?

Back

nitrogen fixing bacteria

Front

Which of the following add carbon dioxide to the atmosphere? Options: volcanoes, combustion of fossil fuels, animal and plant respiration, all of these

Back

all of these

Front

Snow, sleet, hail, and rain are all examples of ________________.

Back

precipitation

Front

What is it called when plants give off water vapor as a waste product? Options: condensation, evaporation, sublimation, transpiration

Back

transpiration

Front

What is A? Options: Evaporation, Condensation, Precipitation, Runoff

Back

Evaporation

Front

What is B? Options: Evaporation, Condensation, Precipitation, Runoff

Back

Condensation

Front

Organisms that need nitrogen to survive.

Back

all living things

Front

How do animals get the carbon and nitrogen they need?

Back

From the food they eat