Income security should be the answer
A complete blood count (CBC) test
While you didn't provide any following sources, healthy sources of energy for humans are usually considered to be different types of fruits and vegetables, lean meats, wholewheat grains, nuts, seeds, and healthy oils. All these constitute a healthy human diet and are a healthy source of energy.
The answer that you are looking for is A. Nephrons
Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.
