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Why did dinosaures become extinct? How did our scientists know that these animals roamed on the Earth once upon a time?Can you please explain me?

Why did dinosaures become extinct? How did our scientists know that these animals roamed on the Earth once upon a time?Can you please explain me?

Grade:10

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
2 years ago
Dear student

Due to unfavorable conditions they could not survive, scientists did research, excavation, carbon dating etc
REENU SIVADARSHINI.M
118 Points
2 years ago
THERE ARE LOT OF EXTINCTION  THEORIES   DINOSAURS  SOME ARE
+METEORITE CRASH  : SCIENTIST URGE THAT A HUGE METEORITE FELL ON THE EARTH NEAR THE GULF OF MEXICO WHICH CAUSED CLIMATIC CHANGE AND LED TO THEIR EXTINCTION.
+DISEASE : THE WIDESPREAD  OF SOME UNKNOWN DISEASE LEDD TO THEIR EXTINCTION
+EXTREME VOLCANO
+GRADUAL EXTINCTION  

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