The correct answer for the question that is being presented above is this one: "d. all of the above." Modernization changed agriculture since the Great Leap Forward by having no more communal farms, increased production, <span>contract responsibility system.</span>
Here are the following choices:
<span>a.
no more communal farms
</span>b. increased production<span>
c.
contract responsibility system
d.
all of the above</span>
History was a driving force behind such migration, since humans tended to move to new territory when they lacked food, shelter, or other resources--meaning that most of the conflicts throughout history have been driven by the same forces that drove migration out of Africa.
Erosional landforms occur more often in the colder periods of the year because in this parts of the year there's usually more rain, and also there's snow ,and most importantly ice. The rain and snow contribute to the chemical decomposition of the rocks, while the ice with it's pressure contributes to the physical decomposition of the rocks, by literary increasing it's volume inside the cracks of the rocks and break them from the inside.
