Describe two ways that humans influence the cycling of matter in ecosystems.

Explanation:

Two important ways by which humans have affected the carbon cycle, especially in recent history, are: 1) the release of carbon dioxide into the atmosphere during the burning of fossil fuels, and 2) the clearing of trees and other plants (deforestation) that absorb carbon dioxide from the atmosphere

coal is not sustainable because it will one day run out.

answer; i believe that the correct answer is(d) nondisjunction during meiosis;