The first choice Always given to you by other people
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Answer : Time taken for the light to reach earth is 
Explanation :
Given that,
Speed of Ultraviolet light, 
Distance covered by the light, 
We have to find the time taken (t) by the light to reach on the surface of earth.


t = 133333333.333 seconds

or

Hence, this is the required solution.
Answer: It is increased to exert the pressure off the bywalls and on large area (brainliest pls)
Explanation: ...
the orbit of the moon around earth causes the phases since the light from the moon is caused by a reflection of sunlight... btw wrong subject,....