Answer:
A. The mass extinction of dinosaurs occurred at the Cretaceous/Paleogene boundary.
Explanation:
The most known extinction is the associated with the Dinosaurs, which happened at the Cretaceous/Palogene boundary (66 million years ago), although there is still a huge discussion on the causes of such extinction (comet/asteroid, changes in sea level, volcano activity).
Such event meant the dissappearing of two-thirds of the living species on Earth.
There are no Statements there for we cant answer this Question.
Answer:
A state in which 95 percent of citizens belong to the same political party.
Just took the test
Explanation:
If there is a waterfall or rapids than you couldn't go swimming in the river
Answer:
it will become like northern Canada
As the warm water that coming by the Gulf Stream stops,it will result in only cold Arctic water coming down from the Arctic Ocean to take of the place of the gulf stream thus lowering the temperature of the North Atlantic Ocean dramatically.
