Biogeochemical Cycles

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

• condensation
• evaporation
• transpiration
• exhaling

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

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

• combustion
• cellular respiration
• photosynthesis
• decomposition

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

• combustion
• cellular respiration
• photosynthesis
• decomposition

These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming

• Global warming gases
• Hot House gases
• Green House gases
• Thermal pollution

The elements carbon, oxygen, hydrogen and nitrogen combined make up about 96% of our bodies (carbon is about 18%).  Carbon is necessary for life because it is a(n)

• uncommon element in all living things.
• element found only in the atmosphere
• excellent bonder
• is found mostly in dead things.

Respiration is the process by which ____________ is consumed and _______________ is produced.

• Carbon, Oxygen
• Oxygen, Carbon dioxide
• H20, oxygen
• Carbon, H2O

This process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes and oceans.

• decomposition
• emissions from automobiles
• agriculture and house hold runoff
• photosynthesis

Which of the following is known as the "sedimentary" cycle because its reservoir is sedimentary rock?

• Sulfur cycle
• Nitrogen cycle
• Phosphorus cycle
• Carbon cycle

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen