Mars
Nothing. By the very definition of the word import that would be impossible.
Britain imports: fruit timber gas
they import tea the most
Coal, sand, waste, wood
Britain
Some might say opium.
This desert Nation must import its ultra-special Filtration Sand from The United States.
boycott
Paperclips
boycott
yes!hawaii is formed by volcanic activity which produces islands made of basalt. when basalt erodes it is very fertile but it does not erode to sand. Sedimentry rocks produce sand and these are not found on volcanic islands. So, yes, Hawaii imports most of it's sand from Australia and i think even china.
nonimportation agreement