Which could be the factor that remains at the same phases of an experiment?
a: observations
b: science
c: scientific methods
d: technology
e: controlled variables

Which feature indicates that mars resides in the inner region of the solar system

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n