The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:
A) iridium.
B) manganese.
C) strontium.
D) uranium.
E) yttrium.

Question

Quizplus · Accepted Answer

Iridium is often found in high concentrations in sediments that have been linked to meteorite or asteroid impacts. This is because iridium is rare on Earth's surface but more common in asteroids and meteorites. The impact of a large meteorite or asteroid would release a large amount of iridium into the atmosphere, which would then settle onto the Earth's surface and be preserved in sediments.

The Element Found in Some Sediments Which Suggest That a Meteorite