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:
Greece- first democratic government and they practice currently
1 right but look at this
last one its wrong but i tried
Answer:
c because if they are in an improper format, they will not be able to be uploaded