<span>The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one. The right side of your heart receives blood from the body and pumps it to the lungs.</span>
Answer:
rocky areas contain more minerals
The answer is Water vapor acids
Answer:
The two potential difficulties that might have troubled Darwin’s contemporaries are:
1. Lack of transitional forms
2. Shortage of time for the varying forms to evolve.
Explanation:
Two conceivable difficulties that might have given Darwin’s contemporaries some tough work is the timeline given for evolution. This is due to the proposed age of the earth at the time of this study and the confounded numbers of individuals going through evolution.
This results from Darwin highlighting these difficulties in his essay.
