I just took a test in school today. What question was I asked?

Question I was asked: A salvage yard contains a mixture of iron, glass, aluminum, and plastic. Which property of iron does the salvage yard take advantage of when separating the iron from the rest of the materials?


I just took a test in school today. What question was I asked?

Question I was asked: A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is


I just took a test in school today. What question was I asked?

Question I was asked:
In 1918, an outbreak of influenza infected 500,000 people all over the world. Tens of millions of those infected died. In 1994, an outbreak of pneumonic plague spread quickly through the city of Surat in India, killing 52 people. Which statement best describes the two events?