The Doppler effect has many applications and is used in many fields of science.
Which of the following situations would be likely to use the Doppler effect in its research?
1. research involving the movement of tsunamis
2 research involving the prediction of forest fires
3. technology that locates the source of earthquakes
4. technology that measures the speed of incoming storms
1.2 and 3
(B)
1, 2 and 4
(C)
1.3 and 4
2.3 and 4