Technically, they can but you don't have to be related because you can have things in common with another person with are personality traits , and if they have different skin colors it doesn't matter , and you can still have many traits in common , because my sister is darker than me a lot but we still share same traits.
400 would be the lens power because you multiply them together
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Answer: It indicates the direction of the reaction
I hope this helped!
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- Zack Slocum
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It's Out Of C Or D Because It Explains It
"<span>The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time" is the actual reason. </span>
