Question

What does an unconformity in a sequence of rock layers reveal about geologic history?. . A.. A rock layer must have turned upside down.. . B.. A layer of rock might have eroded.. . C.. The layers must cover hundreds of square miles.. . D.. The layers must have been deposited very quickly.. . Oh and i need right answers i got 2 questions that are counting on HALF of my GRADE.....so please help

Answer 1

B) A layer of rock might have eroded

Good luck on your test!

Answer 2

A layer of rock might have eroded is an unconformity in a sequence of rock layers that reveal about geologic history. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that will come to your help.