Diamonds don't 'form' in river beds or in the sea bed where some are found. Diamonds are propelled into river beds and to the sea by water that flows over the kimberlite pipe where the diamonds are formed.Diamonds found in water are generally referred to as alluvial stones, meaning deposited in the water over a long period.
an island
That is diverging oceanic plates that make a sea-floor ridge and the magma rises up.
well if the sea level rises a bit and the beach is windy then it will form into a storm
yes
sea floor spreading
At night the air above the sea is hot. It rises up. It creates a low pressure there. So air from the land blows towards the sea ,thus resulting in sea breeze. It forms at night.
Seahorses do not have specific sleeping locations as they do not have eyelids and therefore do not close their eyes. Instead, they rest in calm, low-current areas by anchoring themselves using their prehensile tails.
New crust
Forms by lava from volcanoes on the sea floor
It makes a volcano because as it rises it pushes up the sea floor and it rises.
sea beds have salt producing mines.