Answer:
1 is a 2 is c and 3 is a that's what I think they are
The answer is D
hope this helps
Answer:
Surface Horizon (A)
Nutrient depletion of soils is a widespread soil degradation phenomenon that occurs as a consequence of soil erosion<u> (it is the topsoil in which generally most soil nutrients are present that erodes fastest) </u>but also because of poor management practices, such as slash and burn and other subsistence agricultural.
Active voice would be your answer.
Evidence of common descent is a hypothesis that two organisms from different species are related to each other. !
