Whats an condition were star dunes form?

What factors affect how a river erodes its channel? Al Fahidi Street? Why do you find a reservoir near the dam? Where is the river dibbin? How do rocks along the central valley of the mid-ocean ridge provide evidence of sea floor spreading? Where does Hoover Dam take place? Which state boundries include the red river and the rainy river? What animals do live in Mediterranean forests? When was Cross River State created? What adaptations make conifer trees better suited than deciduous trees for the abiotic factors of the boreal forest biome? What Continent is the Taj Mahal located in? How does weathering affect Mount Rushmore? What is the load on a bridge caused by the weight of its own structure? What river flows through Northampton? What river flows into the Gulf of Lion? How do people use Lake Ontario? What artifacts would support the land bridge theory? Is Tuesday common noun or niagara falls? How much does GW bridge cost with EZ pass? How have humans used the River Mersey?

Whats an condition were star dunes form?