Front

Which atmospheric layer protects Earth from getting hit by most meteoroids? Options: Troposphere, Mesosphere, Stratosphere, Exosphere

Back

Mesosphere

Front

List the layers of Earth's atmosphere in order of increasing altitude.

Back

troposphere, stratosphere, mesosphere, thermosphere, exosphere

Front

In which layer of the atmosphere is the ozone layer found?

Back

stratosphere

Front

The graph below shows data on the most abundant gases on Mars. Which gas would need to dramatically increase in abundance to allow for life?

Back

oxygen

Front

In which layer of the atmosphere does weather occur? Options: Troposphere, Stratosphere, Mesosphere, Thermosphere

Back

Troposphere

Front

In the Troposphere, what happens to temperature as altitude increases?

Back

Temperature decreases.

Front

What is the hottest layer of the atmosphere? Options: Exosphere, Mesosphere, Troposphere, Thermosphere

Back

Thermosphere

Front

Which layer of the atmosphere has the coldest temperatures?

Back

mesosphere

Front

Why is the ozone layer important?

Back

It protects us from harmful UV radiation.

Front

Why is it difficult to breathe at high altitude?

Back

Because atmospheric gases become thinner the higher you go