Answer:
Sunlight (not sure why it said 'chemicals' instead of sunlight)
Explanation:
A. water
B. sunlight
C. glaciers
D. wind
I think its B.) became irritated
Answer:
It could be foreshadowing what could happen in the future or be trying to to show the reader this is an important idea and should he remembered.
1. Even though
2. Despite
3. Nevertheless
4. Whereas
5. Though
6. Still
7. In spite
8. On the other hand
9. Whereas
10. Still