17. what is expressed in amount of grams (g) of a particular solute per milliliter (ml) of solvent (g/ml)?
a. suspension
c. concentration
b. colloid
d. compound

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

In what direction does an applied force move an object

The mantle is made up of which structural zones?