Tom has developed chronic kidney disease. he has lost weight and has a poor intake. the most likely cause is:

Chronic kidney disease is when your kidney is not functioning properly. Kidneys contain filters called nephrons. It is the their job to filter the blood of waste products and extra fluid. As a result, your body flushes the waste out as urine. The most common causes of chronic kidney disease are diabetes and high blood pressure. If your blood vessels contain a high concentration of sugar and cholesterol, the nephrons would take the exhaustive work. In the long run, if you keep eating unhealthy food, the kidney could no longer catch up. Thus, resulting to chronic kidney disease.

The answer is a. i hope this

Ten percent of energy is transferred from sun to the level indicated.