The answer is D.
Factor production that could be changed during particular period is called Variable Factor of Productions.
Basically, factor of productions is divided to fixed and variable factor.
FIxed factors are the one that will always stay the same no matter how many products you made. For example electricity cost, building rent, etc
The variable factors differ depend on how product you produce, such as raw material.
Extreme democracies, pure oligarchies, or tyrannies can develop from communities where some possess much and communities where some have nothing.
It can be predicted that <span> It will be more similar to her biological parents' test scores.
There are several factors that could influence someone's core intelligence, such as genetics, nutrition, and educational method.
But, the most important factor from all those three is the genetics. The parents will be much more likely to produce smart children if they're smart themselves.</span>
Second or third Christmas is first than thanksgiving or Halloween the change every couple years