I would think that the layer of sandstone would be B. Younger than 300 million years because it's above the layer of limestone.
This seems like a Mathematics problem instead of Geography but no, (2, -3) is not a solution to y=x+5 because they would not equal each other if you plugged them in.
-3 does not equal 7
Mantle Rock would be the most densest at ITS LOWEST POINT.
Answer:
Truth. That's like my life
:)/:(
