What career involves preservation of the history of biology?

What impact does geography have on where people live in brazil?

In which country is a system of unlimited government practiced? a) sweden b) north korea c) united states d) united kingdom

How did the percentage of americans living on farms change between 1820 and 1850 a. it lowered as many americans were sold into slavery b. it rated the same as people stopped coming to america c. it grew as more people came to america d. it lowered as many americans went to work in factories