George and carmen went on a bicycle trip. they took a bus to their starting point, and then biked the rest. they traveled 300 kilometers in total, and they biked70 kilometers more than they were bussed. find how many kilometers they traveled by bike.

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

Which part of a mountain receives the majority of moisture due to the rain shadow effect? a. the leeward side b. the windward side c. the bottom of the mountain d. all parts of the mountain receive equal amounts of moisture.

Which event had the greatest impact on culture of south america