Explanation:BECUASE I KNOW
Answer:A
2x = 4
X = 2
That's the basic version. Hope this helps :)
Answer:
15
Explanation:
Atomic mass refers to the sum of protons and neutrons in the nucleus of an atom. So protons are 7and neutrons 8. 7+8=15
I'm not sure but I think it is south Africa or Egypt
D. economic prosperity
the great potato famine left many irish in poverty causing them to migrate to america!