Biogeochemical Cycles

Which of these is an example of precipitation?

• snow

• clouds

• air

• vapor

What is it called when plants give off water vapor as a waste product?

• condensation

• sublimation

• evaporation

• transpiration

 During which stage do clouds form?

• condensation

• precipitation

• evaporation

• runoff

During which stage does liquid water from the ocean turn into water vapor?

• runoff

• condensation

• precipitation

• evaporation

When humans EXHALE, we release __________________.

• Oxygen

• Carbon Dioxide

• Nitrogen

• Water

Where can you find carbon?

• Only in the Earth's atmosphere.

• Inside all water molecules.

• Inside the sun.

• Inside every living thing on Earth.

How do animals add carbon dioxide to the atmosphere?

• Through breathing

• Through photosynthesis

• Through cellular respiration

• Through transpiration

How do animals get carbon?

• By eating plants and or other animals.

• They absorb it from the atmosphere.

• From the ground

• They do not get carbon from anywhere.

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

What are formed when water vapor condenses?

• Clouds

• Mountains

• Transpiration

• Valleys