18 points Read the passage from an informative essay.

Tensions grew in Washington as settlers broke established treaties. The Yakama tribes were angry that miners had entered their lands and damaged property. More and more, the area’s American Indians were being pushed out of their traditional territory.

The passage is effective because it is

formal and clear.
casual and friendly.
strong and passionate.
subjective and opinionated.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe