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08.01.2020 •
Chemistry
Why is air a renewable resource?
a. it can be reused
b. it is in limited supply
c. it is a mixture of gases
d. it provides us with an important need
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Ответ:
A. It can be reused
Explanation:
A renewable resource is a resource which can be renewed or reused over and over again. Air is a renewable resource because it can be reused and it is regularly produced.
Ответ:
A: Sigma bond & Represents two electrons
B: Nonbonding electrons
C: Bonding electrons & Sigma bond