Pretty please answer

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Ecology can best be described as the study of what