The Atmosphere

The mesosphere helps protect the crust from...

• The impact of meteors.

• Dangerous cosmic rays.

• Dangerous solar flares.

• Harmful weather.

The composition of the atmosphere is mostly...

• Hydrogen

• Oxygen

• Nitrogen

• Helium

What is the weather in an environment over a short period of time called?

• Climate

• Environment

• Weather

• Atmosphere

The Earth's atmosphere is mainly made of

• water
• snow
• wax
• air

The layer of atmosphere closest to the Earth is called the

• mesosphere
• stratosphere
• troposphere
• proctosphere

Tags

NGSS.MS-ESS2-6

Air in the atmosphere is 78%

• Einsteinium
• nitrogen
• oxygen
• carbon dioxide

Most of the atmosphere is composed of the following gas

• nitrogen

• oxygen

• carbon dioxide

• argon

• flatulence

Oxygen is the most common gas in the atmosphere.

• True
• False
• Both True and False
• Neither True nor False

The atmosphere is a mixture of gases.

• True
• False
• True and False
• Neither True nor False

The atmosphere is 21%

• nitrogen
• oxygen
• argon
• flatulence