Cold air has lower barometric pressure because it is less dense than warm air.
a. true
b. false

Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

Due tonight 10 points will mark brain