In beaches, why does the water get deeper and then shallow again before getting deep?
the sand shifts. If you're standing up, you're on a sand bar.
Flat earth lol, I dunno
its because the Earth is flat
I don't have the science, but tides erode the beach sand pulling it in and there is a flow of water that parallels the coast that might erode an underwater channel.
I Hate Commerce
someone may know.