I think that the answer is: Deep ocean water masses are classified based on flora's <span>calorific value.</span>
Over fishing is an Threat to earth oceans because many people do over fishing and it can cause extinction of many fishes and can also effect the oceans
so its false that <span>Over fishing is no longer a threat to Earth’s oceans
hope it helps
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Christianity is the largest group
Tree planting, because it will fight it by creating more plants. :) hope this helps!