Layers of Atmosphere

What important role does the ozone layer play?

• It supports plant growth

• It creates wind

• It protects the planet from harmful UV rays

• It generates rain

Which layer of the atmosphere is closest to the Earth's surface?

• Stratosphere

• Mesosphere

• Troposphere

• Thermosphere

What phenomenon occurs in the mesosphere?

• Northern lights

• Shooting stars

• Cloud formation

• Airplane flights

Which layer of the atmosphere is the warmest?

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

What is the primary composition of the exosphere?

• Carbon dioxide and methane

• Oxygen and nitrogen

• Hydrogen and helium

• Water vapor and dust