Biogeochemical Cycles

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Where are denitrifying bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Which cycle are fossil fuels (oil, coal, natural gas) part of?

• carbon

• water

• nitrogen

• phosphorus

Which one of these does not add CO₂ to the atmosphere?

• cooking with gas

• planting trees

• burning wood

• riding in a bus

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle.

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle.

What effect does the sun have on surface water?

• It causes it to boil

• It causes it to rain

• It causes it to sink

• It causes it to evaporate