A small amount of fat is an essential part of a healthy, balanced diet. Fat is a source of essential fatty acids, which the body can't make itself. Fat helps the body absorb vitamins A, D and E. These vitamins are fat-soluble, meaning they can only be absorbed with the help of fats.
-Jen
Answer:
C
Explanation:
all of them have negative effects on the enviroment as a whole but C gives no reason why it would be a consequence
Answer: Variation allows some individuals within a population to adapt to the changing environment. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
