Light aka the sun I know for a fact
A- Gravity. I believe it is gravity since that is the only one that makes sense in this situation. I hope i helped! :)
Answer:
may i know which subject does this question belong to.
Explanation:
An organism's trophic level refers to the food chain position that it occupies. Producers always occupy the Trophy level 1, Primary Consumer occupies the Trophy level 2, Secondary Consumer has the Trophy level 3 and the Tertiary level fills in the Trophy level 4.
Lotions, body cream, oils
