Question

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Which provides evidence to support the big bang theory?



A.


the change in carbon dioxide levels in the atmosphere


B.


the magnetization of rocks on the ocean floor


C.


the composition of the sun


D.


the red-shift of distant galaxies

Answer 1

In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum. In general, whether or not the radiation is within the visible spectrum, "redder" means an increase in wavelength – equivalent to a lower frequency and a lower photon energy, in accordance with, respectively, the wave and quantum theories of light.

Answer: D

Actually this is one of the strongest supports of the big bang theory.

Answer 2

thx so much