Scientists have formed numerous hypotheses about how dinosaurs became extinct. Their newest theory to these belated animal’s death is that an asteroid hit the earth, expelling a smoke that covered the sun, making the air cold and blocking sunlight. This atmosphere was unbearable to the dinosaurs, making it difficult to stay alive. Also, the smoke blocked sunlight that plants needed to survive, which cut off the food supply of many herbivores. This theory seems the most believable because it combines many of the theories of why this species went extinct. Many people may think they have been deluded by this theory because it doesn't explain why other species didn't die off like the dinosaurs. Although people may think this, there are
