What months of the year do greatest risks happen in Donner Pass, CA

Which of the following areas has the highest population density?

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

What is one difference between austria and switzerland? a. austria is landlocked. b. austria has more minerals resources c. austria has a strong tourism industry d. austria has a strong dairy cattle industry