Question: why did the dinosaurs die

Katy Mee answered on 18 Jun 2010:

There are several theories for this but probably the most popular reason is thought to be catastrophic and long-lived volcanic activity around the world. Not only would the volcanoes kill any of the dinosaurs within close proximity but the ash that is erupted into the atmosphere can have huge impacts on the climate. It prevents solar radiation from reaching the earth’s surface (it’s just reflected back into space) so can cause plants to die and thus impacting on the entire food chain. So even if the eruption didn’t kill them, the lack of food over the following years would have.