Answer:
-
Explanation:
As the piece of metal skitters across the surface of the water in a beaker and — particularly in the case of potassium — it appears to catch fire, it is not obvious that the explanation for both phenomena lies in the production of hydrogen gas.
Answer:
False
Explanation:
According to kinetic molecular theory, all collisions are perfectly elastic and energy is conserved.
The controlled variable is what he eats, the dependent variable is his weight.
a word of advice for your next ask, try to use better grammar and punctuation because this was kinda hard to follow.
Answer:
stable, because there is always an equal amount of force surrounding the atom
