I think it is b because it is a result of an environmental influence
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
Answer:
Its ferment oxidant-renewal of bio-reactions at cells.
A heterogeneous mixture is a mixture of substances. In this mixture, substances are not chemically bonded just mixed, they're only together.
Examples:
A bowl of different nuts - Many types of nuts together.
A puddle of mud - Water, sand, leaves
Dirt - a bunch of particles held together.
Hope it helped1