Physics
24.09.2021 19:03
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A spectroscope prism separates the white light from a star into a very wide spectrum.

A spectroscope prism separates the white light from a star into a very wide spectrum. When widely spread, black lines appear in the spectrum. Particular elements in a star create specific patterns in the lines. What can you conclude about a spectroscope from this passage?

a
It allows scientists to determine a star's evolutionary stage.
b
It helps scientists measure a star's mass.
c
It helps scientists detect dark matter.
d
It allows scientists to determine which elements are present in a star.
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Maddy1212
Maddy1212
4,6(62 marks)

C. It helps scientists detect dark matter.

Explanation:

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toxsicity
toxsicity
5,0(23 marks)

d. reducing energy use

Explanation:

Reducing energy use will be a correct attribute for the conservation of energy. This is because of the fact that limitation in energy consumption will lead to securing of the available resources. For example the use of fossil fuels and the energy harnessed by them can be conserved by using alternative sources of energy like solar energy, wind and tidal energy. This will ensure the availability of fossil fuels for future generations.

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