Multiple Choice
Earthquake warning systems
A) are based on long-term predictions of earthquakes,allowing planners to schedule evacuations.
B) alert people just before an earthquake takes place,allowing them to evacuate buildings.
C) alert people when an earthquake has taken place,possibly giving them seconds to get to a safer place.
D) do not yet exist,but the technology is something seismologists are working on.
Correct Answer:

Verified
Correct Answer:
Verified
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