According to scientists, how did early people migrate out of africa and into new places?
a.
they used the wheel.
c.
they used ships.
b.
they used land bridges.
d.
they used technology.

How did modern american history begin with “contact”?

What is the value of x? enter your answer in the box. x =

Which statement about congress is accurate? it contains only the house of representatives. the senate’s membership is based on a state’s population. it is bicameral, according to the constitution. membership in both houses is based on equal representation.