A68-g bar of gold is cut into 3 equal pieces how does the density of each piece compare to the density of the original gold bar?

Which of the following is an example of units for speed

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.