Exposure to what type of radiant energy is sensed by human skin as warmth? a: ultraviolet b: x-rays c: infrared d: gamma rays

What is work? how much work is done to move an object 0 meters?

Describe uniform velocity and variable velocity in short

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane