Reading about the different forests, Carlos learned that one type of forest has a rapid cycle of decomposing matter that influences the chemical levels in the soil. He decided that he would not want to try to plant something there.

Due to toxicity of chemicals.

Explanation:

Carlos decided to not want try to plant in the soil having high chemical levels because high decomposition increases chemical levels to a limit which can damage the plant. If there is high level of chemicals than normal in the soil, so it can burn the roots of the plants and the plant will not be able to absorb nutrients that leads to the death of plant so the decision of Carlos is right to not grow plant in such type of soil having high chemical levels.

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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).