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Carbon and Nitrogen Cycles

Authored by Jessie Henson

Biology

9th Grade

Carbon and Nitrogen Cycles
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary benefit of composting biodegradable materials?

Saving money on fertilizers

Creating nutrient-rich material for plants

Decreasing carbon footprint

Reducing household waste

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is carbon considered a versatile element?

It can form many compounds

It is the most abundant element on Earth

It is the lightest element

It only exists in solid form

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process releases carbon dioxide back into the atmosphere?

Fossil fuel combustion

Decomposition

Cellular respiration

Photosynthesis

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a greenhouse gas mentioned in the video?

Carbon dioxide

Nitrogen

Oxygen

Methane

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is too much carbon dioxide in the atmosphere considered not a good thing?

It reduces plant growth

It increases oxygen levels

It can trap too much heat in the atmosphere

It depletes the ozone layer

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary gas in Earth's atmosphere?

Carbon dioxide

Oxygen

Hydrogen

Nitrogen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organisms fix atmospheric nitrogen into a more usable form?

Land plants

Aquatic animals

Algae

Nitrogen-fixing bacteria

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