Biogeochemical Cycle

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

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

• combustion
• cellular respiration
• photosynthesis
• decomposition

Where is carbon stored in the environment?

• Fossil fuels
• Wood of trees
• Calcium carbonate (shells and bones)
• All of the above

What cycle are fossil fuels part of ?

• carbon

• oxygen

• nitrogen

• phosphorus

What is the largest reservoir for water?

• the ocean

• rocks and minerals

• the atmosphere

• glaciers

The carbon in coal, oil, and natural gas came from

• the combustion of fossil fuels

• the remains of dead organisms

• carbon-fixing bacteria in swamp soil

• carbon dioxide dissolved in ocean water

A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

• volatilization

• nitrogen fixation

• runoff and leaching

• ammonification

According to the diagram, geologic activity, such as volcanoes,

• Increases the levels of CO₂ in the atmosphere.

• Decreases the levels of CO₂ in the atmosphere.

Photosynthesis is an important part of the ______ cycle

• Carbon

• Water

• Phosphorus

• Nitrogen