Biogeochemical Cycles Quiz

What are the three main cycles studied in biogeochemical cycles according to the document?

• Water, Carbon, Oxygen

• Water, Nitrogen, Carbon

• Water, Carbon, Sulfur

• Water, Oxygen, Nitrogen

Which statement is true about matter in the context of biogeochemical cycles?

• Matter is created and destroyed regularly.

• Matter is neither created nor destroyed, and must be continuously recycled.

• Matter is only recycled in nonliving parts of an ecosystem.

• Matter is continuously created in ecosystems.

What percentage of Earth's freshwater is frozen in glaciers?

• 2%

• 3%

• 97%

• 70%

What drives the water cycle according to the document?

• The moon

• The sun

• The ocean

• The wind

What is the role of an aquifer in the water cycle?

• An underground layer of permeable rock that holds water

• A type of cloud that produces rain

• A body of water that evaporates into the atmosphere

• A form of precipitation

What is runoff in the context of the water cycle?

• Water that is absorbed by plants

• Water that evaporates into the atmosphere

• Liquid water that isn't infiltrated and runs along the surface

• Water that freezes in glaciers

What process in the water cycle involves the sun heating liquid water to vapor, which then rises to the atmosphere?

• Condensation

• Transpiration

• Evaporation

• Precipitation

Which of the following is a way that plants contribute to the water cycle?

What is the result of deforestation on the water cycle?

• Increases transpiration

• Decreases transpiration

• Increases condensation

• Decreases evaporation

What is eutrophication?