Answer:
Sunlight (not sure why it said 'chemicals' instead of sunlight)
Explanation:
A. water
B. sunlight
C. glaciers
D. wind
C
I believe this is the answer, but I may be wrong! I hope this helps, and thanks! God bless! Brainliest please! ;)
Serious and authoritative
Yes, it does mean one flip will land heads up.
