Answer:
Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.
Explanation:
Cylinder Formulas in terms of r and h:<span><span>Calculate volume of a cylinder: V = πr2h.</span>Calculate the lateral surface area of a cylinder (just the curved outside)**: L = 2πrh.Calculate the top and bottom surface area of a cylinder (2 circles): T = B = πr. ...Total surface area of a closed cylinder is:</span>
Answer:
the bacteria is bad because with that one person it's in difficult time. hem need to take more careful.
