Hello please help i’ll give brainliest

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.

Plz ! ive been stuck on this forever

According to this food web which of the following would be considered primary consumers