Page 97 - Science Course 1 (Book 2)

Mo9-L1: Key Concept Check

Direction: Answer each question in the space provided.

Question Answer

1. What is the biosphere?

2. Does the biosphere have clear
boundaries? Explain.

3. What is the atmosphere?

4. What two gases make up most of the
atmosphere?

5. Where does most weather occur in
the atmosphere?

6. What is the hydrosphere?

7. What is the geosphere?

8. What are the main layers of the
geosphere?

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