How does soil structure affect the characteristic of soil a. it determines the acidity of soil. b. it determines the available nutrients of soil. c. it determines the pore spacewithin soil horizons. d. it determines the ammount of minerals present in soil.

Option C

Explanation:

The structure of the soil affects the characteristics of soil because it determines the overall quality of soil. The size and shape of the soil particles provides the structure of the soil.

It influences the growth of the plants growing by affecting the movement of water, nutrients and air to plants.

It also determines the pore space which helps in water percolation and water holding capacity of the cell.

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.