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.

Think about how the amount of energy changes as you move stepwise from producers to primary consumers to tertiary consumers in a food chain. Which shape could you use to model the quantities of energy at all of these types? A.) sphere B.) prism C.

What role did the manufacture of cotton textiles play in promoting the industrial revolution

How was president richard nixon's foreign policy beliefs represent a change?

What were the main features of the african slave fade, and what effects did european participation have on traditional african practices?

Growing food in urban areas could improve food security worldwide

What led to the biggest emancipation of blacks in the deep south immediately after the revolution?

What did the limited nuclear test ban treaty suggest to end?

Monarchs usually supported commerce because they wanted to

Three effects of the emancipation proclamation were

If the House of Representatives choses to impeach the president, how many votes must be cast in the Senate in favor of impeachment for the legislative action to pass? a. one-half c. two-thirds b. two-fifths d. three-forths