Nitrogen and Carbon Cycle Quiz

What is the law of conservation of matter?

• Matter can be created

• Matter can be destroyed

• Matter cannot be created or destroyed

• Matter is always in liquid form

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What process allows bacteria to transform nitrogen gas into a usable form for plants?

• Photosynthesis

• Nitrogen Fixation

• Erosion

• Deposition

How do animals get nitrogen?

• From eating other animals

• From drinking water

• From eating plants

• From breathing air

What happens to nitrogen when plants and animals die? (2 correct answers)

• It is absorbed by plants immediately

• It is turned into carbon

• Some of it is released back into the atmosphere by decomposers

• Some of it stays in the soil and helps fertilize plants.

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How do humans influence the nitrogen cycle?

• By using fertilizers containing nitrates

• By planting more trees

• By reducing fossil fuel consumption

• By absorbing nitrogen directly from the air

What are the two major processes involved in the carbon cycle?

• Nitrogen fixation and decomposition

• Photosynthesis and cellular respiration

• Weathering and erosion

• Deposition and lithification

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Which of the following is NOT part of the Earth's systems?

• Atmosphere

• Hydrosphere

• Biosphere

• Photosphere

What is weathering?

• The process of rocks being carried away by wind

• The breakdown of rocks and minerals

• The formation of igneous rocks

• The compaction of sediments

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What is erosion?

• The process of rocks being formed

• The cooling of molten material

• The process of rock particles being carried away

• The decomposition of organic matter

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How was the Grand Canyon formed?

• By volcanic eruptions

• By deposition

• By weathering and erosion over millions of years

• By earthquake activity

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