The knowledge gap as been recast more recently as a “digital divide” gap. with the internet and social media many things can be done faster and better. so much faster and better that those that do not have access to them are literally left out of the game.
Other questions on the subject: Advanced Placement (AP)
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)].