Which of the following is considered a healthy source of energy for the human body?
a. fats
b. water
c. proteins
d. carbohydrates

d. carbohydrates

Explanation:

Carbohydrates are the primary form of energy for the body, being converted into glucose in the metabolic processes in order to use it in various body functions.

They are found in several types of food (mostly of plant origin) and can be divided into three classes, which vary according to the amount of glucose atoms: monosaccharides, oligosaccharides and polysaccharides.

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

if you know your abc's you should be able to get your answer or just use google