Answer:
I know this is late, but for the people looking for the answer, its carbon and hydrogen
D or a those are the best questions..............XD this question though! anyways see yah later and maybe a brainly?
A) One species always outcompetes the other until only one species remains.
Mutations<span> are changes in the DNA. A single </span>mutation<span> can have a large effect, but in many cases, change is based on the accumulation of many </span>mutations<span>. Gene flow is any movement of genes from one population to another and is an important source of the genetic </span>variation<span>.</span>
What’s question 1? (It says the info from it is needed)