Choose all the answers that apply. erosion creates sand dunes beaches deltas mountains

The correct answers are sand dunes, beaches deltas.

The process of erosion creates sand dunes by the erosion of sand by the help of wind. The sand erosion or soil erosion can lead to the formation of the beaches or deltas. The erosion process cannot result in the formation of the mountains.

Mountains are as a result of volcanic eruption and is formed after the volcanic activity.

substitution is the answer in this case

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: