Busy Cities

What term means "to purify?"

• strike

• refine

• pollute

• kerosene

What term means "things used to make a product?"

• subway

• petroleum

• labor union

• raw materials

What term means "to apply oil to machinery parts to help them move more easily?"

• lubricate

• refine

• strike

• kerosene

What term means "to corrupt or make dirty?"

• petroleum

• lubricate

• pollute

• refine

What term means "oil made from petroleum?"

• kerosene

• raw materials

• pollute

• petroleum

What term means "an underground railroad?"

• refine

• labor union

• strike

• subway

What term means "oil drilled from the ground?"

• petroleum

• kerosene

• raw materials

• pollute

What term means "to stop work in order to get something?"

• subway

• strike

• labor union

• pollute

What term means "a group of workers that unite to go on strike?"

• refine

• strike

• labor union

• lubricate

A set of rooms in a building that people cant rent to live in are called ___________.

• apartments

• tenements

• house