Biogeochemical Cycles

Biogeochemical Cycles

Multiple Choice

What is it called when water changes from liquid to gas

• freezeing

• evaporation

• condensation

Multiple Choice

How is water returned to earth?

• evaporation

• transpiration

• precipitation

• percolation

Multiple Choice

What do plants do with carbon dioxide (CO2)

• Plants use CO2 to make carbohydrates.

• Plants use CO2 to produce extra sunshne.

• Don't pick this answer.

Multiple Select

What are two by products released by plants?

• water

• oxygen

• carbon

• sugar