Examlex
A true coelom is ______.
Wave-cut Notches
Erosional features formed at the base of cliffs by the action of ocean waves.
Coral Reefs
diverse underwater ecosystems held together by calcium carbonate structures secreted by corals.
Seawall
A man-made structure built along coasts to prevent erosion and flooding from the sea, often made of concrete, rocks, or other durable materials.
Jetty
An engineering structure built from the shore into a body of water to redirect current or tide, for example, to protect a harbor.
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