The Himalaya are:

A) the highest mountain range in the world and contain Earth's highest peak
B) near the Colorado Plateau, one of the world's largest plateaus
C) underlain by abnormally thin lithosphere
D) an ancient mountain range with most uplift occurring 200 million years ago
E) all of these

What is least likely to affect the patterns of speciation and extinction? 

A)  human activity 
B)  continental drift 
C)  changes in the weather 
D)  climatic changes