1. Save
2. Water
3. Save
4. Future
It seems you need to move the decimal three times over, then you round the number. So the answer would be 5.5 x 10^3.
I am pretty sure the awnser is B the collapse of communism
Of these choices i'd say that the third option or "domestic fuels are always cheaper to acquire and renewable". I hope this helps :)
Canada: H
Alaska: P
US: H
Cuba: P
EU: H
Canada: P
Hawaii: H
