The absorption lines in the visible portion of the spectrum of a star that are produced by hydrogen are from the

a. Lyman series.
b. Balmer series.
c. Paschen series.
d. isotopes of hydrogen.
e. ions of hydrogen.


B

Physics & Space Science

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Two objects undergo a collision, and there is no external force on the objects. This means that:

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Venus's surface temperature is fairly uniform from the equator to the poles because

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Jupiter puts back into space twice the energy it gets from the Sun

Indicate whether the statement is true or false

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