Look it up, it’s not that hard.
An element cannot be broken down into any other substance by physical or chemical means.
Answer:
you must go to jones im doing the same test
Explanation:
Answer:
The two variables affecting the rate of diffusion are the concentration gradient and size of the molecule. Concentration gradient: The movement of the substance is generally along the concentration gradient of the solute and it moves from a region of its higher concentration to a region of its lower concentration.
B An enclosed pendulum is not acted on by air resistence or gravity. Plus, pendulum's in clocks are electronic (I think) so that's why it keeps moving back in forth. (at least i think so)
