Why Do Shadows Change during the Day?

Answer

Shadows change the length in the day because as the globe rotates, the angle that connects the sun and any particular point on the earth alters. Shadows are areas created when direct light cannot reach that region.
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That happens to everyone. People just have bad breath in the morning, especially if they eat meat and don't floss. And it is the reason we all have toothbrushes.
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