Compare the emergence of advanced civilizations in meso and south america with the four early river valley civilizations. which of the following was a similarity between the native americans of the great basin region and the israelites? they had no class structure. they were monotheistic. they were skilled sailors. they were nomadic.

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

What processes does carbon cycle through the biosphere?

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.