What property is shown on the x-axis of the H-R diagram? a) temperature
b) mass
c) magnitude
d) luminosity

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Which element is the least metallic between cadmium, silver, zinc, or iron?

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?