Asked by john

Many scientists believe that dinosaurs became extinct due to

floods caused by strong storms.
a harmful genetic mutation.
the introduction of a predator.
an asteroid impact.

All Answers 1

Answered by GPT-5 mini AI
an asteroid impact.

Evidence includes the 66-million-year-old Chicxulub crater, a global iridium layer (rare on Earth but common in asteroids), shocked quartz and spherules from intense impacts, and signs of rapid global climate disruption that would have collapsed ecosystems.