My best answer would be B I know tornados have updrafts as well as hurricanes. A storm has updrafts that cause tornados.
The answer is Ordovician-Silurian.
The mass extinction thaw was most likely caused by the extinction that was most likely caused by the formation and retreat of glacier was the Ordovician-Silurian extinction. It is the second largest among the five major extinction events.
Answer: its B
Explanation: I answered the same thing.
I HAVE NO CLUE BUT I HOPE YOU GET IT FIGURED OUT
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Hope this helps
-lvr