Which best describes a result of division of labor in early farming communities?
a) social roles began to change
b) wild animals were domesticated
c) wild animals were domesticated
d) irrigation techniques were developed

Explanation:

Social roles are crucial part to function as society. According to Functionalism, societies function like our biological system, specific organs have specific function, one organ cannot replace other. That's how roles function in a community and this began with earlier farmers, because was the beginning of  Sedentary costumes that allowed to build larger communities into cities.

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but