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:
Answer:
Compound.
Explanation:
If a molecule consists of 2 or more elements its a compound.
Nuclear reactors use hydrogen and they are an up and coming energy source.
There are also hydrogen fuel cells.
The phase contrast microscope uses out-of-phase and in-phase light rays that produce contrast areas allowing scientists to detect even a minute number of protein molecules and focus on the minute internal structures of a particle.
<span>
</span>
