What is the relationship between power and time for the same amount of work done? what is the relationship between power and work done for the same amount of time?

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

What are the factors that affect the resistance of a wire?