8. Suppose a company uses recycled materials instead of wood pulp to make paper. What is the opportunity cost of the company's choice? (Hint: Resources are used when sorting, transporting, and processing old paper)

Agroup of people who, because of their physical characteristics or cultural practices, are singled out and treated unequally.

Why have the aztec ruins in mexico city not been dug up?

97 points what types of changes have been made in the united states to protect people from earthquakes? a. communities are no longer located along fault lines. b. building codes ensure that structures can withstand shaking. c. warnings go off when an earthquake is expected, and people evacuate the area. d. barriers have been built to prevent flooding by a tsunami.