Air Composition

This gas makes up 21% of air.

• carbon dioxide

• nitrogen

• oxygen

• water vapor

Which gas found in air is an important part of the process of photosynthesis?

• carbon dioxide

• oxygen

• nitrogen

• water vapor

Tags

NGSS.MS-LS1-6

This gas makes up 78% of air.

• carbon dioxide

• nitrogen

• oxygen

• water vapor

Which gas found in air is made of an element that is important for the formation of proteins?

• carbon dioxide

• oxygen

• nitrogen

• water vapor

What percentage of Earth's atmosphere is oxygen?

• 21%

• 78%

• 1%

• 0.03%

Which gas makes up the largest percentage of Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

Which gas is a trace component of Earth's atmosphere but is crucial for photosynthesis?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

This gas makes up 0.04% of air.

• carbon dioxide

• nitrogen

• oxygen

• water vapor

Which gas found in air is an important part of the process of respiration?

• carbon dioxide

• oxygen

• nitrogen

• water vapor

Tags

NGSS.MS-LS2-3

Select all of the gases that are important for the growth and development of all plants

• carbon dioxide

• oxygen

• nitrogen

• water vapor

Tags

NGSS.MS-LS1-6