Sea creatures are natural resources that is necessary and important, of human beings. Marine animals can help perfect ecosystems in the sea. In addition, ecological, human activity was interrupted by the heavy. Whether it's cutting a lot of wood. Excess fishing In addition, the development of human beings and destroy the Habitat of living marine animals.In my opinion I think if humans do not reduce greenhouse gas emissions, most. Several factors combined to cause a serious extinction and may result in ecological problem.
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