What caused the effect of dinosaurs dying?

Answer 1

There is belief that a meteor hit the Earth and caused a solar winter that killed most of the plants and animals that the dinosaurs preyed on which in turn killed the dinosaurs. A massive meteorite hit the earth and sent up huge clouds of dust and debris which blocked out or cur down on the sunds heat reaching earth, the Dinosaurs being cold blooded creatures and needing huge amounts of heat to survive couldn't make the adjustment from a warm/hot climate to a cold one so eventually died out and became extinct. Or... my thoughts are that they died during the great flood. There were Wooley Mammoths found frozen in Siberia with freshly eaten tropical vegetation in their digestive tracts. It's purely speculation until a witness steps forward.

Answer

The extinction of the dinosaurs is indeed a mystery, a mystery like any in science. The hypotheses about the extinction of the dinosaurs are as follows:

A meteorite struck the Earth, blocking out the Sun with dust clouds from the impact. The blocking of the Sun resulting in a plummeting of the temperature which the dinosaurs could not adapt to successfully. Evidence is a 65 million year old iridium deposit at the KT boundary.

General temperature change may have killed the dinosaurs. Organisms are very sensitive to temperature change and often have narrow temperature ranges at which they can survive.

A huge-outgassing from volcanoes during the late Cretaceous may have poisoned the atmosphere. Or indeed, resulted in a change of temperature.

The item in common that all these hypotheses profess is a possible change in temperature that killed the dinosaurs.

Answer 2

65.5 million years ago, an asteroid with a diameter of 6 miles crashed into what is now the Yucatan Peninsula, creating the Chixculub crater. It threw so much dust into the atmosphere, that sunlight was blocked for months. Plants died without sunlight, and the herbivorous dinosaurs died without plants to eat. The carnivores soon died out, too, because their prey was gone.

There is evidence, too, that the Chixculub impact preceded the dinosaur extinction by hundreds of thousands of years, until another, possibly larger asteroid struck and eliminated the non avian dinosaurs once and for all. Even without the asteroids, dinosaurs were already dealing with the negative affects of climate change.

Answer 3

an meteorite