Answer:
C po
Explanation:
baka po pero pwd din ang B pero ok ang C
An alloy maybe could be used as a solid but i really don't think that would be it so i would sayether from an alloy or dirt
Answer:
In the given case, the atomic number of the given atom is 15, hence its nucleus contains 15 protons. The number of protons and electrons are the same in atom and that is what keeps it neutral. In the second case, the atomic number is 20. Hence, the atom will contain a total of 20 protons in its nucleus.
Explanation:
I think it is one,three, and four
