1. what should technicians know about any
equipment they are using in a compound-
ing process?

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

Different isotopes indicate that an element will have different numbers of

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.