Answer:
A) They form chemical bonds with other atoms
Explanation:
In chemistry, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.
Mutation may occur if both copies of DNA molecules do not have the exact same sequence of nucleotides as the original DNA molecule. Mutation can also lead to further problems, in the future.
One evolutionary explanation for why lizards living in the same part of the habitat would have similar characteristics is adaptation. It is a function or structure that is very common in lizards and other animals. If the lizards are leaving in a same part of habitat they will have the same characteristics which they will adapt coming from the same habitat.
Answer: one of your relatives or family memember having it
Explanation:
