It could be the first one or the third the others are not actual measuring units
im going with the first one
V=πr2h is how you find it
Answer:
Well ummmm, what are the answers and the question?
Step-by-step explanation:
Answer:
nitrogen
Step-by-step explanation:
By far, the most abundant gas in the Earth's atmosphere is nitrogen, which accounts for about 78% of the mass of dry air. Oxygen is the next most abundant gas, present at levels of 20 to 21%
