Processes involving in plate tectonics

Witch layer of the atmosphere has the most air pressure

What is the climate of the himalayas? a. cold and wet c. cold and dry b. hot and humid d. hot and dry

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.