If it’s multiple answers then it’s A,C,D. If it’s only one answer then your best answer is A. Because you always report accidents to an authority so that they can figure out how to solve the problem.
I believe you would just put a 2 in front of NH3 and keep the other ones as 1
Answer:
Explanation:
The solution has been attached
You have to do it to see the results
Pure air is a mixture of several gases that are invisible and odorless. Consists of 78% nitrogen, 21% oxygen, and less than 1% of argon, carbon dioxide.
