I'm guessing the answer is a
Answer:
Your answer is A, Rain forest.
Explanation:
Soils develop faster in warm, moist climates and slowest in cold or arid ones. Rainfall is one of the most important climate factors in soil formation.
I hope that helped ,let me know if you need help with anything else
I am going to assume you meant the "first trophic level" of the ecosystem. The first tropic level of an ecosystem is made up of producers, so the answer is C, Acorns.