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

Question I was asked: Which human body system attacks viruses and bacteria once they have invaded the body?

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

Question I was asked: A student recorded the amount of rain that fell in one year in his city. What is the best way for him to organize his information?

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

Question I was asked:
Two seismographs are placed 500 km from an active fault line, one on each side of the active fault line. During an earthquake, what most likely accounts for the different readings on the seismographs?