<h2>Answer:</h2>
Because same base pairs are arranged differently among organisms due to which there are so much variations in organisms.
<h3>Explanation:</h3>
- Variation in the organism is due to the genes.
- Every one have different DNA/genes which describes one's features.
- Genes are various arrangements of these four base pairs.
So same base pairs with different pattern arrangement causes variation among organism.
The answer is C I don’t think this needs more explanation but if needed just ask!
1 and 5, Solvent, and yh I am not sure but I think so
an agent, such as radiation or a chemical substance, which causes genetic mutation.