Answer:
The particularly severe winter of 1777-1778 proved to be a great trial for the American army, and of the 11,000 soldiers stationed at Valley Forge, hundreds died from disease. However, the suffering troops were held together by loyalty to the Patriot cause and to General Washington, who stayed with his men.
Explanation:
The answer is D, increasing genetic variation
The ovary of a flower in a plant is where it produces seeds and develops fruits
the name of it is called proton :)