Genetic variation occurs.
Mutations are not copied over and over again.
I believe A is the answer, hope this helps. :)
please give brainliest.
I can just send a picture it’s way to confusing
3, definitely. The other answers are all harmful to the environment or flat-out wrong. At least it gets the economy going and lets more people make a living... even if it's hurting the ozone.
Enzymes is a phycical protein folding.
