The most remarkable difference that contradicts the night and the day is the absence and the presence of sunlight respectively.
The earth revolves around the sun and on its own axis. so there is a day in a particular coordinate of the earth when the hemisphere is facing towards the sun, during the revolution of the earth on its own axis.
Whereas when a particular coordinate that one is referring to is facing away from the earth, there will be night in the coordinate. and this is what makes the day and night.
The positives of the day are that we work mostly in the daytime since every working thing requires light to live on, whereas the negative is that the day offers less comfort than the night can. The positive about nights is that they provide you with a huge amount of comfort but their negative is that you feel the lack of light the night when you work at night.
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