Mid ocean ridges are formed when the two plates are pulled apart, due to the power of the convection current. lava flows through this newly formed gap and reacts with the water above, forming rock. Leaving an underwater mountain range (the answer is b, sorry for a late response!)
The answer is: <u>Land Use</u>
They are; if u divide both integers in the second ratio by three, u get 5:9.
hope this helps (;
