Question

Geologic Time Scale Quick Check
2 of 42 of 4 Items
Question
Which best supports the evidence that an asteroid collision may have caused the extinction of dinosaurs?(1 point)
Responses

Bodies of dinosaurs are only found in craters where asteroid collided.
Bodies of dinosaurs are only found in craters where asteroid collided.

Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.

Many dinosaur skeletons are found in one particular rock layer.
Many dinosaur skeletons are found in one particular rock layer.

Dinosaur fossil remains are found at the bottom of a body of water.

Answer 1

The response that best supports the evidence that an asteroid collision may have caused the extinction of dinosaurs is:

**Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.**

This is because the presence of iridium, which is rare on Earth but more common in asteroids, suggests a potential link to an asteroid impact around the time of the dinosaurs' extinction.