Question

1 sand dunes are large piles of sand that can be found in the desert. what causes these sand dunes to form?
a ice
b wind
c earthquakes
d volcanoes
2 weathering of earths surface can have which of the following effects?
a building mountains
b creating hurricanes
c breaking down rocks
d causing lava to flow
3 in florida, the beaches are often exposed to hurricanes originating in the atlantic ocean. which of the following is the most reasonable prediction of what could result from a hurricane?
a creation of new rivers at high elevations
b movement of sand from the beach to offshore sandbars
c the generation of local earthquakes after the storm
d the creation of new river deltas along the beaches

Explanation:

1. Sand dunes form when wind blows sand into a sheltered area behind an obstacle.
2. Weathering is the process that breaks down rocks on Earth's surface.
3. Hurricanes can cause the movement of sand from the beach to offshore sandbars due to strong winds and storm - surge.

Answer:

1. B. Wind
2. C. Breaking down rocks
3. B. Movement of sand from the beach to offshore sandbars