The correct option is C.
The geosphere refers to the solid parts of the earth. All of these parts are affected when a volcanic eruption occur. When volcanic eruption occurs, it contributes to the greenhouse effect in the atmosphere because carbon dioxide which is regarded as a greenhouse gas is released into the atmosphere. Also sulphur dioxide gas is released which results in acid rain.
Center of nucleus that stores materials for making ribosomes
The mitochondrion would be affected the most, this scenario is actually called cellular fatige. hope this helps :)
<span>The citric acid formed remains in the mitochondria for the next acetyl CoA</span>