Sir, i thought 1st option is not evidence of mass extinction and dinasaurs extinct in createaous (nearly mya), so it is good evidence.

No highly deformed variety of quartz that is coesite is seen near the boundary of crtaceous tertiary ,high pressure variety because of impact of meteorite. it is a good evidence

Fossilized dinosaur bones that contains fragments of rocks can't be an evidence because the impact was at a particular place in Mexico and dispersal of rock debris all around the g...