How many significant figures are there in the following measurement
a) 300 000 000 m/s

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Who was the first scientist to measure speed as distance over time?

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)