Complex sentence: Without the complementary process of littoral drift, he bar wouldnot buildboveth surface of the waves becoming a spit and would instead be leveled off underwater.Sits ocur en lonsoredrift reaches a section of headland where the turn is greater than 30 degrees.
Split into simpler sentences: Without the complementary process of littoral drift, the bar would not build above the surface of the waves becoming a spit and would instead be leveled off underwater. Spits occur when longshore drift reaches a section of headland where the turn is greater than 30 degrees.