Which gas makes up the largest amount of smog around cities?
a. sulfur oxides
b. carbon dioxide
c. carbon monoxide
d. nitrogen oxides

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.