Which best supports the evidence that an asteroid collision may have caused caused the extinction of dinosaurs? (1 point)

Dinosaur fossil remains are found at the bottom of a body of water.
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
Many dinosaur skeletons are found in one particular rock layer.
Bodies of dinosaurs are only found in craters where asteroid collided.

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