Write a paragraph explaining how energy flows through an ecosystem using the following terms: energy pyramid, trophic level, producer, primary consumer, decomposer, sun, secondary consumer, and tertiary consumer. .

Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution

The category is the thing that is most simmilar throughout a period