Is Utah, Columbus, Ohio, St. Louis, Missouri, The Sahara, The Rocky Mountains all a formal region?

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

How do convection currents form underwater mountains?

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas