Sand dunes are formed over many years when beach grass and other plants trap windblown sand. As more and more sand becomes trapped, a dune expands to store more sand. Sand dunes serve as sand reserves for beaches and help protect inland areas from storm surges, floods, wind, and waves.
A dune<span> is a mound of </span>sand<span> formed by the wind, usually along the beach or in a desert. </span>Dunes form<span> when wind blows </span>sand<span> into a sheltered area behind an obstacle. </span>Dunes<span> grow as grains of </span>sand accumulate. Sand dunes<span> serve an important purpose by protecting inland areas from coastal water intrusion. They are able to absorb the impact and protect inland areas from high energy storms and act as a resilient barrier to the destructive forces of wind and waves.</span>
Answer:The immediate cause of the disturbances was the arrest of an African American man, Marquette Frye, by a white California Highway Patrol officer on suspicion of driving while intoxicated. Although most accounts now agree that Frye resisted arrest, it remains unclear whether excessive force was used to subdue him.
It is a book written by Galileo Galilei comparing the Nicolaus Copernicus, published in 1632 aa his dialogue if the two chief world systems.
As in the Copernican system of the universe the earth and the other planets orbit around the sun and while in the Ptolemaic system all orbited around the earth. Simplicio which is a dedicated follower of Ptolemy and Aristotle then presented his traditional simple views.
Being a geocentric philosopher he opposed the heliocentric which proposed the sun in the center.
