Sand dunes are large piles of of sand that can be found in the dessert. What causes these sand dunes to form A. Ice
B. Wind
C. Earthquakes
D. Volcanoes

Which functions of water in living systems would still be possible if water was not polar and did not form hydrogen bonds? check all that apply. climate regulation dissolving ionic compounds for biological reactions providing body support by exerting pressure on cell walls providing body support through buoyancy transport of nutrients within organisms temperature regulation in many organisms