Answer:
Becuase they can go through mountains and hills, they curve of of those.
Answer:
Explanation:
Ionic compounds are formed by combining a metal and a nonmetal.
Molecular compounds are formed by two or more nonmetals.
The answer is (1) 24. There are 26 protons in nucleus of Fe atom. There is 26 electrons in Fe atom. Fe atom loses 2 electrons and change to Fe2+ ion. So there is 24 electrons in Fe2+ ion.