Which of the following is not a measurement? 0.50 ppm

120

65 mph

24°C

Evaluate this exponential expression,8. (2 + 3)2 – 42

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

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