What geological material often forms at about the time of major extinctions, for reasons not understood by scientists today?
A)shocked quartz
B)flood basalts
C)ice layers
D)clay layers
E)stony-iron

Question

Quizplus · Accepted Answer

Flood basalts are large volcanic events that have occurred at various times in Earth's history, often coinciding with mass extinction events. The reasons for this correlation are not fully understood, but the massive outpouring of lava and gases is thought to significantly impact the climate and environment, contributing to extinctions.

What Geological Material Often Forms at About the Time of Major