Random question?

A student uses a high-efficiency gasoline lawnmower to cut grass. The term "high efficiency" is used to indicate that the lawnmower

Random question?

A person in a dark room looking through a window can clearly see a person outside in the daylight. But a person outside cannot see the person inside. Why does this happen?

Random question?

Several interchangeable parts are used in the manufacture of automobiles. Some examples of these parts are batteries, windshield wiper blades, spark plugs, and tires. Which of the following is an advantage of interchangeable parts over non-interchangeable parts on automobiles?

Random question?
A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report?