Write a description of sand shores

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Explanation:

there constant erosion of rock in the sea. sand are carried by waves and currents beaches are loose deposits of sand. the finest particles to settle on the bottom.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.