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)

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

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sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.

mammals. mammals of the piedmont region live in several habitats such as wetlands, fields and forests. raccoons live across the state including the piedmont. they've adapted to environmental changes, including the loss of natural habitat.

answer; martin seligman;