The gas that surrounds earth is the atmosphere
Answer:
D
Explanation:
Because there were multiple theories on what they are.
can you edit question and put sentence options so i can answer the question
1. arrives
2. are having
3. will
4. am meeting
5. will have gone out
6. flies
7. will have driven
8. will have worked
9. will mark
10. will spend
The answer is A.