The the temperature of an object, the faster the molecules vibrate.

higher
lower

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?