Has the cause of the extinction of dinosaurs ever been determined?

Has the cause of the extinction of dinosaurs ever been determined?
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They are not extinct, they are birds.
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1. Which cup/trophy is associated with football? 2. What is the main cause of extinction of species from tropics? 3. In which year did the Congress loose its monopoly of power in the States for the first time after the elections? 4. Which is the largest tiger reserve in India? 5. Which revolutionary leaders’ organised an attack on the armoury of Chittagong ?

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What was the dinosaurs average life span?

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Do you think dinosaurs and humans cohabitated?

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How do creationists explain dinosaurs fossils?

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What if dinosaurs didn't go extinct?

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What do you get when dinosaurs crash their cars?

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What do you call a group of singing dinosaurs?

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Are dinosaurs homeothermic or poikilothermic?

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In what year did dinosaurs become extinct ?

Last Answer : About 23 crore years ago

Why did dinosaurs become extinct?

Description : I'm interested in your opinion, not what the search engine throws at me :)

Last Answer : One of the prerequisites for the life of such a creature is a greater amount of oxygen in the air. Earlier (in the time of the dinosaurs) it was more than today's 21-22 percent, so today ... even if they were cloned. If there was a catastrophe (asteroid or some bigger rubble) they could suffocate.

How did dinosaurs extinct?

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Last Answer : Dinosaur extinction is also known as the Cretaceous-Paleogene extinction event. Until now, the extinction of these species still comes as a mystery to scientists. However, most hypothesis point to ... the primary up to the apex consumer. Thus, food shortage amongst species also become apparent.

Assertion :- Birds and dinosaurs are close relatives to each other. Reason :- Both are the descendent of reptilian family.

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Last Answer : Assertion :- Birds and dinosaurs are close relatives to each other. Reason :- Both are the descendent ... . D. If both Assertion & Reason are false.

Dinosaurs disappeared during

Description : Dinosaurs disappeared during

Last Answer : Dinosaurs disappeared during A. Jurassic B. Triassic C. Cretaceous D. Permain