I think the answer is white sand (sorry if i am wrong)
Answer:
energy from the sun that reaches earth
Answer:
Hey there!
CS2) Carbon Disulfide.
PBr3) Phosphorus Tribromide
NO) Nitric Oxide
CF4) Carbon Tetrafluoride
P2O5) Phosphorus Pentoxide
Let me know if this helps :)
The answer is D. Effective collisions lead to chemical reactions!