Rift valleys conform when fractures in earths crust widen the valley laws slowly move at a rate of only a few millimeters a year which of the best describes the type of tectonic activity that forms Rift Valley ‘s

it should be

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;