Which two options describe physical properties of matter? A: weather a substance forms from a patina

B: whether a substance is acidic or basic

C: The color of the light that is reflected of a substance’s surface

D: The amount of mass per unit volume

F: how easily a substance reacts with other substances

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The solid that is formed and usually sinks to the bottom of a solution is the

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate