In the formulas for latent heat of fusion and latent heat of vaporization, what does Q represent? the amount of heat released or absorbed by a substance
the mass of a substance
the amount of a substance that changes state
the temperature of a substance

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?

Which lists the organs in the correct order as food passes from the mouth to anus?

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.