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.
Answer:
B. located further south during winter because cold air covers a larger area of the northern hemisphere during winter
Explanation:
- As in winter, the polar get stream becomes strong when it moves to the south as the northern hemisphere gets colder and thus the contrast in the temperature makes the polar jet streams to move south. As they are produced by the factors of the solar radiation and the pressure cell formation and thus moves in the action of the Coriolis force.
B, for example the Earth revolves around the Sun