Understanding Biogeochemical Cycles

What is the primary function of biogeochemical cycles?

• Recycle nutrients in various chemical forms

• Provide energy for organisms

• Create new elements

• Destroy harmful substances

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NGSS.MS-LS2-3

Which process is NOT part of the water cycle?

• Evaporation

• Photosynthesis

• Condensation

• Precipitation

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How is sulfur released into the atmosphere?

• Through volcanic eruptions and decay of organic matter

• By photosynthesis

• Through the respiration of animals

• By the weathering of rocks

What is the relationship between the oxygen cycle and the carbon cycle?

• They are closely linked through processes like photosynthesis and respiration

• They are independent of each other

• The oxygen cycle depends on the silicon cycle

• The carbon cycle is a part of the sulfur cycle

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NGSS.MS-LS1-6

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What role does silicon play in the environment according to the passage?

• It is essential for the structure of many organisms

• It is a key component of proteins and vitamins

• It provides energy for photosynthesis

• It is involved in the respiration process