One-third of the planetís land area is used for what purpose?
a. industry
b. mining
c. land preservation
d. agriculture

Why is the future for life on earth bleak?

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

At which point on the diagram do convection currents occur to drive plate movement?