The city of manaus grew rich in the late 1800s from which resource? a. brazilwood c. coal b. rubber d. oil

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%

Cardueline finches can be found in what areas of the world?