BioGeoChemical Cycles

When water turns from liquid to gas in the water cycle this is called

• precipitation

• evaporation

• condensation

Where does Nitrogen originate from in the Nitrogen Cycle?

• the atmosphere

• the soil

• fungus

Burning fossil fuels has what affect on the carbon cycle?

• fossil fuels absorb carbon from the atmosphere

• fossil fuels don't affect the atmosphere

• more carbon is being released into the atmosphere than should be

Which type of plants play a role in the nitrogen cycle?

• legumes

• ferns

• evergreen trees

Which process removed carbon from the atmosphere in the Carbon Cycle?

• cellular respiration

• photosynthesis

• combustion

When water is pulled up from the ground through plants and released into the atmosphere as gas this is called

• evaporation

• transpiration

• perspiration

Nitrogen plays a roll in what process?

• cellular respiration

• combustion

• photosynthesis

Which of the following is a "carbon sink"?

• volcanic eruption

• forest fire

• the ocean

A greenhouse gas that is NOT easily removed from the atmosphere naturally is

• carbon dioxide

• nitrogen

• methane

Coal is formed from ancient

• land plants

• marine animals

• marine plants