The right option is; a. soil degradation
Soil degradation most plausibly accounts for the reduction in corn yield.
Soil degradation is an environmental problem in which the condition or quality of soil is reduced due to its improper use usually for agricultural or industrial purposes. Soil degradation can reduce the physical, chemical and biological quality of soil. Soil degradation results in loss of organic matter, soil contamination, fertility decline, and soil acidity or alkalinity which can greatly affect agricultural productivity.
<h3><u>
Answer:</u> </h3>
<u>The statements that best describe the minerals shown in the picture are as below:</u>
- The "mineral on the right" formed from magma.
- The "mineral on the left" has "larger crystals" than the mineral on the right.
- The mineral on the left "cooled more slowly" than the mineral on the right.
<h3><u>
Explanation:</u> </h3>
- Magma is nothing but unerupted lava. Thus, the mineral on the right can be said to have formed from magma.
- It is apparent that the mineral on the left has larger crystals than the mineral on the right.
- The size of the crystals in the mineral on the left proves that the mineral on the left got more time to cool down which resulted in the formation of larger crystals.
Color and luster are two ways to identify an unknown metal. Other ways include weight and composition.
