If you were to create a portal on your roof and wall then stick your arm through the portal, would catch on fire and break gravity?

Place the point of the compass on point b and draw an arc that intersects  be¯¯¯¯¯  , using    ab    as the width for the opening of the compass.  hope it

There is a great difference between the windward and leeward side of a mountain. windward and leeward sides are opposites.

No, because you are more likely to see volcanic mountains where magma is rising along the mid-ocean ridge spreading to the center.