Question

Waves are produced by stars and galaxies

Answer 1

Here is your answer:

Much of the hydrogen and helium that falls into galaxies forms new stars, while heavier elements, themselves created in stars and dispersed in the violent detonations, become the raw material for building comets and asteroids, planets and life.

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Answer 2

Answer:

Explanation:

Tides are produced due to the gravitational force of moon.