65 million years ago there was a mass extinction that is best known for killing the dinosaurs. there was also a large deposit of dust that contained substances only found in asteroids . what most likely killed off the dinosaurs

the gigant asteroid could have caused gigant tsunamis and could made most of the volcanos of the world explode

answer; the correct answer is conflict- related aggression; +

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.