Electromagnetic radiation is used primarily for what? a- transfer energy
b- to transfer mass
c- to carry wavelength
D- to transfer changes

I think it’s either A or C.

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o