Answer:
Heated copper metal reacts with oxygen to form the black copper oxide. The copper oxide can then react with the hydrogen gas to form the copper metal and water.
Answer:
3. 63 in/s
Explanation:
The hawk was going 3 ells per second, that would be 21 palms per second since every ell is 7 palms its just multiplying 3 with 7. Now, since the hawk is going 3 ells per second, you multiply the 21 by 3 and get 63.
Answer:
The sum would be 69109.4944 ml if that's what you were asking
fusion and fission
Explanation:
the nuclear energy is released by fusion when the nuclei of two atoms are combined while the fission is process when the nucei of two atoms split apart