Answer:C) Natural selection
Explanation:
C) Natural selection is the process under which species with resistant traits are able to survive better and adapt to different environmental pressures , climate changes and competition for resources or food and are able to reproduce as many as possible of the same species with similar traits , as a result of this these traits are carried from generation to generation.
Answer:
Prior to 1913, when the 17th Amendment was ratified, state legislatures elected two U.S. senators to represent them in Congress. Members in each state House and each state Senate, in most cases, would meet separately to pick a candidate as its representative in the U.S. Senate.
Explanation:
The Spanish where the first ones to settle in North America.