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

Question I was asked: A city has an outbreak of a disease that affects an unusually large portion of its population at the same time. Which term best describes the outbreak?

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

Question I was asked: Based on the evidence available at the time, early models of the solar system stated that all objects in space orbited Earth. In the 16th century, an astronomer reevaluated the evidence and proposed a model of the solar system that is still in use. What part of this model corrected the mistake in previous solar system models?

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

Question I was asked:
The nucleus of MOST atoms consists of