Answer:
There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA. Mutations themselves are not very common and are usually harmful to a population. Because of this, mutations are usually selected against through evolutionary processes.
Explanation:
Could the military really defeat aliens?
C. Letter of recommendation
Answer:
silicon
Explanation:
A sample of an element is malleable and can conduct electricity. This element could be Si