Gravitational potential energy
I'm sorry its A..I didn't read it correctly...
Answer:
That black, sooty-looking substance on the skins of onions is indeed a mold, specifically, Aspergillus niger. It is common on onions, both in the field and once dried, bagged and stored. The fungus typically is found on the outside skins of an onion, and it is harmless, for the most part.
There are few donor lungs available.<span>In 2010, about 1,800 lung transplants were performed in the United States.
Brainliest please?</span>
