Question

What do you mean by:-
1.)Seismic Waves (Definition)
2.)Equinox (Definition)

Answer 1

hi friends

An elastic wave in the earth produced by an earthquake is called seismic waves.

the projection into space of earth's equator is called celestial equator.


the day or time at which the sun crosses the celestial equator when day and night are equal about 23 September and 21 March.

thank you