Answer: its CO2 for the first one
Explanation:
The answer is B!!!XD
Hope this helped!!!XD
Also, can I get brainliest? I only need 1 more to complete the challenge of 5XD
13
Explanation:
We will divide the total number of the teachers (246) in the auditorium with the maximum number of seats per row (18) to determine how many rows are completely filled;
246/ 18 = 13.6667
We are only interested in rows that are completely filled which is the whole number;
= 13
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Answer:
The first line of defense involves skin.