Why do people from different parts of the world have different colored skin

People have different skin colors mainly because their melanocytes produce different amount and kinds of melanin

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

1 problem today is that it caused to much crime americans are born with freedom and liberty and not being restricted to things causing lots of crimes because there free until proven guilty and commit a crime

the pursuit of order has only made people hate order causing race profiling and   more

3 it has to much liberty the liberty is to much because it causes to much crime and aswell hacking and letting hackers open to numerous things such as stealing cards and more