The cooler the temp of the star the star would appear to glisten a red. if the star is warmer the star would be a light blue or blue. An example would be the tiny red dwarf stars. they only have 7% of the suns heat so they appear red.
Answer:
SI system i think it is right
Its A: the use of hydropower often changes the natural flow of water through an ecosystem
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Third
every action has an opposite and equal reaction
