Astraight road to the top of the hill is 2,500 meters long and makes an angle of 12 degrees with the horizontal. find the nearest hundred meters the height of the hill.

The color contrast between the open ocean and the lagoon between the spit and the mainland. the greater concentration of suspended sediments in the lagoon gives the waters a more turbid appearance. the source of sediment in the lagoon is (are) [(rivers and streams from the mainland) (wind-borne sediment from the spit) (ocean waves washing over the spit) (all of these contribute)].