GIVING BRAINLIEST PLEASE HELP!! -if you answer correctly ill give you brainliest which will give you 20pts-

Describe uniform velocity and variable velocity in short

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

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