2. What is the line that runs from west to east on Earth?

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(a)  

3. What is the line that divides the Earth into western and eastern hemisphere?

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(a)  

4. Leni's Science teacher asked her which line is located at 60 degrees South latitude. What should her answer be?

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(a)  

5. At which line are the countries located if they are most likely to experience cold temperatures all year round?

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(a)  

6. This layer has the air we breathe and it is where the most clouds are located.

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(a)  

7. Energy from the (a)   must pass through the different layers of the atmosphere before

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8. It is one of gases in the atmosphere and being used by plants to produce oxygen.

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(a)  

9. It is the blanket of gases which surrounds the Earth.

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(a)  

10. It is a practice to protect the Earth and its atmosphere by reducing carbon footprints.

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(a)