B because the higher the temperature of air, the faster the molecules move, as the air is heated up, the air molecules move faster, which when the temperature is higher, the air molecules are less dense
It is a vesicle - they take material out of the cell by exocytosis.
A large molecule made up of smaller molecules is called a macromolecule. Macromolecules are also sometimes called polymers.
It would be temp if my teacher explained it right. hope this helps
