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.
Prime numbers are numbers that are only divisible by 1 and themselves. So, to tell if a number is prime, look at its factors.
19:
1 x 19
29:
1 x 29
39:
1 x 39
3 x 13
So, because 39 has more than one set of factors, it's NOT a prime number.
The correct answer is overgeneralizing
Overgeneralizing it is the tendency to see a negative event as an endless pattern of danger or suffering.
The conflict in Serbia between Austria-Hungary and Russia help ignite World War I because Europe split into Allied and Central powers as countries honored alliances to fight together if attacked. The balance was built in a way that just a sparkle would have be enough to cause a big flame. The conglit i Serbia was that sparkle.
