Answer:
Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
Explanation:
Populations belong to the same species if they can contribute genes to a common gene pool
Answer:
the molecules expand
Explanation:
When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less
I believe it is A. Please forgive me if I am wrong.