A) ldentify one push factor and one pull factor driving migration from Central America to the U. S.

Distance that the transcontinental railroad covered from omaha to san francisco.

All of the following are extrusive landforms except           a. batholiths.   b. lava plateaus.   c. shield volcanoes.   d. geysers.  

James hutton is ? a. extensively studied fossils. b. revealed that fossils would provide the history of past life. c. created the first scientific classification of plants and animals. d. provided geologic evidence necessary for calculating the time span of evolution.