An is designed around a system, or a group of variables that
are related in some way*
Hypothesis
Theory
Experiment
Law

Aray diagram for a refracted light day is shown. what does the dashed line represent

In what direction does the medium move relative to the direction of the wave? explain.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation