Which was used to by wegner to establish continental drift?
a. evidence of tidal forces
b. the existence of land bridged
c. rock samples from the mantle
d. mesosaurus fossils

Which volcanic eruption caused the most deaths

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.

Which season has the least amount of rain in the northern latitudes