It is the observed process in change.
I believe this is an example of frameshift mutation.
Frame shift mutation is a type of mutation that is caused by addition or deletion of a base pair or base pairs in the DNA of a gene resulting in the translation of the genetic code in an unnatural reading frame from the position the position of the mutation to the end of the gene.
We cannot drink water and water can damage the ecosystem. Water pollution can be reduced by adding filters to rivers.
Explanation:
the correct answer is D sharing of electrons between two atoms
