D) It is done with a machine. of a
42. The gravitational potential energy
cucumber-Earth system changes when
which factor changes?
A) the cucumber's speed
B) the cucumber's mass
C) the cucumber's temperature
D) the cucumber's length
132

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?