A scientific is an explanation based on many observations by many different researchers. A scientific is usually an explanation based on one observation by one researcher.
A.
theory; hypothesis
B.
deduction; inference
C.
hypothesis; theory
D.
inference; deduction

D is the answer

Inference is derived from many or different point of views while a deduction can be gotten or subtracted by one individual or researcher.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.