Why are gases poor conductors of heat? a. particles in a gas do not collide. b. particles in a gas collide more often. c. particles in a gas collide less often.

Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?

In the cores of extremely hot red giants, nuclear reactions convert helium to

Human population projections are subject to change due to fluctuations in global fertility and mortality rates