FEUD
Name 5 things that come in pairs

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

What are atoms of the same element with varying number of neutrons

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse