As you pass a tractor-trailer truck on a highway, you notice that its trailer is slowly bouncing up and down on its springs. Is it more likely that the trailer is heavily loaded or nearly empty?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Why is a noble gas different from other elements?

How do forensic scientists analyze tool marks found at a crime scene? begin with the first steps and end with collection or storage for transport to the lab.