Girls please help me ⬆️⬆️​

Which of the following systems in absorbing oxygen and releases carbon dioxide

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.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?