Answer:
A is low pressure and B is high pressure
Answer:
Franklin D Roosevelt
Explanation:
He served for 4422 days: from 1933 to 1945.
Answer:
Senators are appointed by the Governor General of Canada via recommendation of the prime minister
a
the invention of the cotton gin
Answer:
Important inventions of the Industrial Revolution included the steam engine, used to power steam locomotives, steamboats, steamships, and machines in factories; electric generators and electric motors; the incandescent lamp (light bulb); the telegraph and telephone; and the internal-combustion engine and automobile
Explanation: