Draw a rectangular fraction model to find the sum. simplify your answer, if possible

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

What happens to an isotope during radioactive decay?

Decreased sensitivity to an unchanging stimulus is known as