The Gobi Desert's terrain is mostly comprised of
A. sand
B. dust
C. minerals
D. bare rock

Pl did european countries want to find a shorter route to the far east? a. costs would be lower. b. they could take more trips. c. the route they used was rough and dangerous. d. sailors did not want to be away from home so long.

During the early neolithic era, people relied on domesticated animals to provide each of the following except a. hides for clothes b. labor to pull plows c. manure for the soil d. meat, cheese, and milk for food

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f