GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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trench
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island
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mid-ocean ridge
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seamount
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Detailed explanation-1: -If a volcano does not reach the surface of the ocean, it is called a seamount. If a volcano grows in height and volume enough to reach the ocean’s surface, it becomes a volcanic island (like the islands of Hawaii).
Detailed explanation-2: -Seamounts are known to harbor a wide diversity of life forms and are sometimes thought of as oases for life in the deep sea.
Detailed explanation-3: -seamount, large submarine volcanic mountain rising at least 1, 000 m (3, 300 feet) above the surrounding deep-sea floor; smaller submarine volcanoes are called sea knolls, and flat-topped seamounts are called guyots.
Detailed explanation-4: -Seamounts-undersea mountains formed by volcanic activity-were once thought to be little more than hazards to submarine navigation. Today, scientists recognize these structures as biological hotspots that support a dazzling array of marine life.