*A slab push is a term given to tectonic plates that cause pressure from a down-dip motion. An example of this type of plate structure is where the Nazca plate and the South American plate meet near Peru
The answer is true because the weight of all of the parts is 2300 when you put them together they will stay 2,300
The main reason for the species extinction is for the ecological changes.
The answer is C, DNA sequences of populations that are closely realted