What do these layers and their fossils suggest about earth's history?

4

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

the correct answer is sex-linked recessive.

i just took the test

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.