Question

Dark colored nutrients rich substance __________​

Answer 1

Explanation:

humus

Many of these chemicals are important nutrients for the soil and organisms that depend on soil for life, such as plants. The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.

Answer 2

Answer:

starch

Explanation:

Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. The basic chemical formula of the starch molecule is (C6H10O5)n.