Why does food need to be digested?

Sample Response:

Food needs to be digested so it can be broken down into sugar molecules and nutrients that can be used by the cell to stay alive.

A balloon is rubbed against a student's hair and then touched to a wall. The balloon "sticks" to the wall due to

You light a light bulb with a 1.5 volt battery. if the bulb has a resistance of 10 ohms, how much current is flowing?

Stars are primarily formed from.

A pulley stems has an efficiency of 65.1%. If you perform 350 J of work, how much useful work does the pulley perform? A. 350 J B. 301 J C. 228 J D. 122 J

Define a motion diagram?

Describe the rise and fall of a basketball using the concepts of kinetic energy and potential energy

What is not a factor that affects the viscosity of magma?

While driving his 600-kg ultra-compact electric car, a distracted driver starts crossing a drawbridge. Not realizing that the drawbridge is about to open, he ends up in the river below with his car.

A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz. What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 75 mph75 mph speed limit and a car travelling 9 mph9 mph faster?

Function of a battery