Every chemical compound is unique and different from the it contains. a.
molecules
c.
elements
b.
hydrogen
d.
gas

Can anybody me with this? ? (picture included.)

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

Why don't you see your reflection in water with waves or repples