What do scientists use satellites for?
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NASA satellites help scientists study Earth and space. Satellites looking toward Earth provide information about clouds, oceans, land and ice. They also measure gases in the atmosphere, such as ozone and carbon dioxide, and the amount of energy that Earth absorbs and emits. And satellites monitor wildfires, volcanoes and their smoke.

Explanation:

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1. GPS

2. Internet

3. Weather forecast

4. Observation

5. Experiments

6. Discovery

there are no correct statementd on the list of choices you provided.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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