Kettle lakes form when
it rains over a glacier
sediment is deposited by a glacier
ice chunks break off a glacier, then melt
rivers flow into a melting glacier

Kettle lakes form when sediments are deposited by a glacier. These sediments determine the depth of the body of water. If the lake seems to be clear and blue it is deeper. Kettle lakes are shallow forms of bodies of water that can also be formed through draining of floodwaters.

It just all depends on where you live at the moment

Yeah, i guess that checks out because the unused brain is almost like a clean slate or a new car. it has more value than an older already used brain. -thomasnash