When you move your muscles, chemical energy in the cells is converted into mechanical and thermal energy. What is this an example of?
A. Law of nutrition
B. Law of conservation of energy
C. Theory of photsynthesis
D. Theory of kinetics

please help!

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

Current from a charged capacitor lights a bulb. as time goes on the brightness of the

Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5