Sunlit zone is depth of water exposed to sunlight, trenches is a long narrow ditch.
Answer:
A coast is a land along the see while a shore is the land along the edge of a see and other water bodies.
Explanation:
They began to form by a combination of volcanic activity and the deposit of marine sediments. It formed along northwest Africa about 530 million years ago. ... As the Appalachian Mountains eroded, sand and clay were deposited over Florida's limestone layer.
<span>Aid agencies estimated that approximately four million residents of Somalia required food aid in 2009. </span>