All of the following are accurate statements about the great lakes and the mississippi river system except: a. they aided the growth of industry in the midwest. b. they are still important trade routes today. c. cities connected by this transportation network are home to heavy manufacturing. d. they have the midwest become the nation's center of business and finance.

Which statement best explains the relationship between an area's geography and the temperature of its surface water? areas at low altitudes have the warmest water because they receive the most direct sunlight. areas at low altitudes have the warmest water because they have the least change in temperature throughout the year. areas at high latitudes have the warmest water because their days are the longest. areas at high latitudes have the warmest water because they have the longest seasons.