Cell theory was discovered and advanced because of the development of which instrument? a) telescope b) gyroscope c) light microscope d) electron microscope

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

The amount of potential energy possessed by an elevated object is equal to what?

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change