Question

Crude oil is removed from the earth by _____(barges, drifting, mining, extracting, underground pipes, separated) it is then ______ into different components by heating and boiling. After this step, gasoline is processed and delivered to central terminals via _______

Answer 1

Crude oil is removed from the earth by **extracting** it is then **separated** into different components by heating and boiling. After this step, gasoline is processed and delivered to central terminals via **underground pipes**.