1.If a geologist found two fossils of different species buried next to each other in a rock layer, he or she might hypothesize that the two organisms may have been alive during the same time period.

Question

true***
false

2.How do layers B and D compare in age? If rock layers between B and D have eroded away, what is the boundary between B and D called?

Answer 1

Sorry, for #1 I picked false.

Answer 2

OH, never mind....

Answer 3

what about #2?

Answer 4

true #2

Answer 5

They're both true.