andreselbravo1 andreselbravo1

03-07-2020
Geography

contestada

I’ll mark brainlist for the correct answer

Ill mark brainlist for the correct answer class=

Respuesta :

04-07-2020

the answer is B. The Doppler Effect is used to calculate the velocity (speed) of something. Astronomers use it to see how fast stars and galaxies are moving away from us.

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MrSmart200020 MrSmart200020

29-07-2020

B because it states a lot about the Doppler effect

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