The speckled appearance of a rock is called a rock's

fracture

luster

color

grain

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

An enormous wave generated by an earthquake beneath the seafloor is known as a