Answer:
360xy?
Explanation:
6y X 15x = 90xy
90xy X 4
=360xy
(i think i did it wrong lol)
B, mantle would be your answer
I think you wanted to know whether the statement in question is true or false. Based on this assumption, i am answering the question and hope that it comes to your help. It is a true fact that prior to the development of new extraction methods, bitumen or oil sands was not considered part of the world's oil reserves.