You and Your Exercise Buddy Decide to Go to Yosemite

question 70

Multiple Choice

You and your exercise buddy decide to go to Yosemite National Park to hike the famous El Capitan trail. You book your trip through a well known agency but before you leave for your vacation, you learn that there have been two cases of plague reported in people who recently visited a different area of the park. Your friend is anxious and tells you he thinks that plague is really dangerous and kills people everyone who gets it. He points out that this disease killed a lot of people during the Middle Ages, and says he doesn't want to do the trip after all. You decide to do some research on the plague and its causative agent before making a decision about your trip.
-Which of the following is NOT a vector?

• A) Flea
• B) Mosquito
• C) Tick
• D) Fly
• E) Water

---

Definitions:

Fixed Cost

Fixed Cost is a business expense that does not change with the level of goods or services produced within a certain period.

Variable Costs

Variable costs fluctuate with the level of output, increasing as production rises and decreasing as production falls.

Lawn-mowing

The process of cutting the grass in a yard or garden to maintain its appearance and health, often using a manual or motorized lawnmower.

Perfectly Competitive

A market structure characterized by a large number of small firms, a homogenous product, perfect information, and no barriers to entry or exit.