The process of genetic engineering: A) works to change outcomes of traits by altering genetic material. B) is the manipulation of the genetic code in an attempt to improve a species. C) allows scientists to create their own mutations in organisms D) all of the above

D) All of the above

Explanation:

Genetic engineering "allow scientists to create their own mutations in the organisms" by "manipulating the genetic code in attempt to improve a species" which is virtually the same as"altering genetic material".

i am going to guess that it is co2.