What type of classes do do you need to take a to be a air craft mechanic

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)].

Pleas give me brief explanation about deterministic model in advanced hydrology

What was the effects of the mass demonstrations of strikes that had immediately followed the economic collapse beginning in 1893?