What is the intensity of an earthquake with a magnitude of 3?

An earthquake with a magnitude of 3 has I intensity. Meaning, you cannot feel it. The measurement of an energy released by an earthquake is called magnitude while intensity is the measurement of how strong the shaking from the earthquake is.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.