Answer:
Explanation: A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Dunes form when wind blows sand into a sheltered area behind an obstacle. Dunes grow as grains of sand accumulate. Every dune has a windward side and a slipface.
About 10% of the u.s. is using renewable energy
It would take Saturn about 1 1/3 of an Earth day.
Answer:Oreophrynella quelchii,
Explanation:
