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poizon [28]
2 years ago
14

What is one reason the presence of Iridium leads scientists to hypothesize that a meteorite impact caused the mass extinction of

dinosaurs?
A) There are no fossils of dinosaurs in rocks below the Iridium layer.
B) Iridium is only common on Earth and is never found in meteorites.
C) All dinosaur fossils contain iridium.
D) There are no fossils of dinosaurs in rocks above the Iridium layer.
Social Studies
1 answer:
jarptica [38.1K]2 years ago
8 0

Answer: D) There are no fossils of dinosaurs in rocks above the iridium layer.

Explanation: i’m not good at explaining but the meteorite which caused mass extinction to dinosaurs left behind iridium. if there was a mass extinction, then there is no more dinosaurs and there won’t be any fossils left of them to be found above of the iridium layer as they are allllll gone. good luck with school everyone!

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