What is the Cretaceous–Paleogene (K–Pg) boundary?

Correct answer: Geologic boundary between Mesozoic and Cenozoic eras

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What people think about it: 6 Comments
CageFreeDynamo50
CageFreeDynamo50
what an amazing question
Player #110212
Player #110212
used to be called the crustaceous tertiary boundary (kt boundary)
Montana Lady
Montana Lady
It's when they believe the asteroid hit....
Montana Lady
Montana Lady
...because you rarely find any dinosaur bones above the KT Boundary.
DUA
DUA
I accidentally touched the wrong answer.
VividPotion6704
VividPotion6704
Montana Lady, or possibly they are now saying it was radiation from a super nova?