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.
A.
the amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person, group, etc.
The answer is C. Output device
