Answer:
Mutations are naturally caused by errors in DNA replication, by physical or chemical methods. The mutations change the genetic makeup of the organism and introduce new alleles or combination of alleles in a population. These random mutations accumulate over time and increase the genetic variation among the population.
Explanation:
NAD I suppose is the enzyme required
Answer:
True
Explanation:
Although the amount varies, the overall amount of carbon on earth is stable.
Answer:
60% is true answer is final answer you
