D. it is thickest in the middle
The reactants are on the left and the products are on the right of the equation
Answer:
They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur. They increase an organism's changes of surviving or reproducing, so they are likely to become more common over time.
Explanation:
No i took the test and the answer is actually homogenous mixture
