A shelf sea is a relatively shallow water area formed by the continental shelf.
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The earthquakes after a major earthquake in the same area are called aftershocks.
an area drained by a river is called pooo lol
content
Divide
an earthquake hazard
the continental shelf
A shallow area may be called a "ford" (the verb to fordis "to cross at a shallow point").
A shallow place in a river is called a ford if it is used as a place to wade across to the other side. A shallow place can also be called a sandbar if the water does not cover all of the sand in a river or stream.
littoral zone
The continental shelf
SHELFCongress, of course! Continental Congress, silly!
Wetlands are treeless shallow areas usually covered with water. They are transitionally between terrestrial and aquatic ecosystems. They are among the most biologically productive natural ecosystems in the world.
tooth decay
Major
I believe that it is called a "biome".
such as a swamp,marsh or bog
You use a technique called Swabre.