1. How does chemical composition affect the characteristics of basaltic rocks? A. Silicon and aluminum cause basalts to be darker in color.

B. Iron and magnesium cause basalts to be lighter in color.

C. Iron and magnesium cause basalts to be darker in color.
D. Carbon and silicon cause basalts to be less dense and granites.

What did thomas jefferson suggest the congress should do in response to the native american

Which two statements best shows the effects of the congress of vienna on eroupe

"the plan of removing the aboriginal people who yet remain within the settled portions of the united states . . approaches its consummation. . an extensive region . . has been assigned for their permanent residence. it has been divided into districts and allotted among them. many have already removed and others are preparing to go. . " removal of southern indians to indian territory, 1835 this passage is most closely related to a) imperialism. b) the civil war. c) westward expansion. d) the french indian war.