Which of the following characteristics would be most crucial in land that is to be used for farming?
a clear, distinct horizons with organic matter and mineral nutrients
b. no horizon development with large mineral deposits
c. large accumulations of organic matter
d. distinct horizons with minimal layers of organic material
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Option A - clear, distinct horizons with organic matter and mineral nutrients

Explanation:

Horizons are the specific layers of soil. Usually the topsoil,then below is the subsoil down to the rocky layers beneath.

Organic matter refers to the dead and decaying materials present; it must not be in excess as the heat of its decomposition could affect the root hairs

Mineral nutrients such as phosphorus, zinc etc, are mainly MICRO NUTRIENTS (required in trace amounts) for optimal yield of crops.

Therefore, the soil most suitable for farming should have clear, distinct horizons with organic matter and mineral nutrients.

it is A

Explanation:

genetic variation will increase because of a new habitat and food source.

explanation: