<span>The answer is D. Ocean. Desalination is the process of removing salt and other substances from water. It makes the water safe for animals and plants for irrigation. It can be potable for humans if the desalination had removed the salt and ither substances.</span>
<span>Excess carbohydrates in Animals are stored as fats. It mainly gets stored in the skeletal muscles and liver in the form of glycogen. Carbohydrates actually get stored in the form of long polymers of glucose molecules or as glycogen starch. They provide energy to the animals for performing their daily duties. Carbohydrates are generally considered the fuel for all organisms, and without this most animals would become sloth and would be unable to perform the regular jobs. Carbohydrates are actually very easy to metabolise and hence generate quick energy. </span>
Answer:crop rotation efficient irrigation systems minimal use of fertilizers soil and water conservation