Network 4th ELA Plan 2021 IW18 D1 Model Text

It shows that carbon dioxide, water vapor, and ozone make up less than 1% of Earth’s atmosphere.

It shows that more than 90% of Earth’s atmosphere is made up of water vapor and oxygen.

It shows that oxygen, nitrogen, and water vapor make up just 90% of Earth’s atmosphere.

It shows that gases like carbon dioxide, oxygen, and nitrogen are only a tiny fraction of Earth’s atmosphere.

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The ozone layer protects us from the Sun’s dangerous rays.

There are satellites in the thermosphere above Earth.

The ozone layer is located in the stratosphere

There are four layers of Earth’s atmosphere.

grows larger in size

gets smaller in number

becomes warmer

changes suddenly