Subsoil is the layer of soil under the topsoil on the surface of the ground.
Answer:
C
Explanation:
All thing in option c is flammable
Answer:
B
Explanation:
<em>Both plain and plateau have flat surfaces. However, a plain is located in a low-lying area while a plateau is located on an elevated area. In essence, a plateau can be viewed as an elevated plain or a plain that is bordered by cliffs.</em>
The correct option is B.
13 because an atom has the same number of protons as neutrons
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