Answer:
The basic biological unit of heredity.
Explanation:
Air pollution. For example nitrogen oxides, carbon monoxide, sulfur dioxide, lead, mercury, and other hazardous air pollutants.
One of the atoms donates an electron to the other atom
Answer:
A. I think ion know for sure soo
The scientists who provided this hypothesis had an idea that the species evolved in order to accommodate their needs on certain islands. For instance, an example is beak size of certain birds which Darwin thought that this was to eat certain foods.