Tsunamis are huge ocean secondary waves caused by underwater earthquakes. Please select the best answer from the choices provided
ATrue
BFalse
A(n) ______ is an instrument used to detect and measure earthquakes.
Aseismograph
CGPS
Bvolcanometer
Danemometer
ATrue
BFalse
Aseismograph
CGPS
Bvolcanometer
Danemometer