Question

Soil conservation involves protecting _______ and preventing _______.
A topsoil; pollution
B soil quality; erosion
C soil layers; pollution
D soil layers; erosion

Answer 1

Conserving means save.... So in order to save the soil you want to save all the layers, and erosion is what destroys the soil, so therefore you do process of elimination, and you get D correct?

Answer 2

I would have to say c here is what I found on Soil conservation https://en.wikipedia.org/wiki/Soil_conservation
hope this helps you

Answer 3

Soil conservation involves protecting the soil layers and preventing erosion. Soil conservationists are very concerned with the topsoil, but take all layers into account.