Which factor would be least likely to be included in a measurement of the efficiency of trade between african nations?

Free brainliest + free points if answered ! vehicles are expected to be moving at around on highways. a. 30-50 mph b. 40-60 mph c. 50-70 mph d. 60-80 mph

Free points + free ! if answered correctly which of these is not a good tip for passing? a. make sure you are on an area of road where it is legal and safe to pass. b. always drive at a safe speed at or below the speed limit. c. you may reduce your following distance below four seconds when passing. d. make sure there is a safe gap in traffic before you change lanes.

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.