The first transcontinental railroad in the United States connected . A. Omaha and Sacramento

B. the Great Lakes and New Orleans

C. New York and Chicago

D. Chicago and Los Angeles

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent

What are economic benefits of building dams

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.