"cg" is centigram, which is one-hundredth of a gram.
I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

Answer:
1.)
2.) 
3.) 2HCl
4.) MgO
5.) Mg and 
6.)
and 
7.)Na and 
8.) 3 aluminums and 3 chlorides
Explanation:
Answer:
Reshape the hills with terraces
Explanation:
It is the best way of preventing water eroding when it comes of doing agriculture on hills
Answer:
O Generation of electricity
Explanation:
because the others dont make sense to me and tbh carbon is used everyway and everywhere