GED GED-Science Exam With Confidence Using Practice Dumps

Work is done on an object when a force is applied, causing the object to move.

Which example best illustrates this scientific idea?

The widespread use of antibiotics has created a frightening threat to our safety. While antibiotics have offered life-saving treatment for countless diseases, their misuse and overuse have contributed to the evolution of deadly bacteria that are resistant to treatment. Although there is a reluctance to give up the demand for antibiotics, most people accept scientists’ warnings of impending catastrophe.

Which choice best explains why doctors now prescribe antibiotics less often than in the past?

The battery of an automobile produces electricity from a chemical reaction. This electricity leaves the battery from a post called a terminal and is used in starting the engine. Sometimes a crusty deposit forms on the terminals, preventing the engine from starting. Simply cleaning off the deposit often restores the battery to operable condition.

Which effect does the deposit have on the battery terminals?