What is the percentage composition of nitrogen in air?

• 78%

• 75%

• 86%

The composition of air consists of __________ key components.

• seven

• three

• ten

________________ balances out oxygen in the atmosphere.

• Carbon dioxide

• Nitrogen

• Argon

Tags

NGSS.MS-LS1-6

___________________ is used to make fire extinguishers.

• Nitrogen

• Silicon

• Oxygen

The presence of Argon in the air was first suspected by _______________.

• John Boyle

• Archimedes

• Henry Cavendish

_______________ is an asphyxiant .

• Oxygen

• Argon

• Nitrogen

____________ can lead to dizziness and nausea in a person.

• Argon

• Sodium

• Nitrogen

Plants use ________________ for photosynthesis.

• Chlorine

• Nitrogen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

Humidity level raises the _______________ you get to the sea.

• closer

• farther

_______________ is one of the most abundantly found gases on earth.

• Oxygen

• Carbon dioxide

• Nitrogen