The types<span> of mineral matter </span>found<span> in </span>soil<span> are: organic material, inorganic material, parent material, ... All the </span>horizons<span> and layers (A, B, </span>C<span>) make up </span>soil profile<span>.</span>
Both tundra and deserts receive very little precipitation, and it can even happen that some places in a tundra receive more precipitation than some places in a desert! As a result the plants in both tundra and a desert have a waxy coating on leaves. - The correct answer is c.
