I read about the polar bear. An important vocabulary word in my book is marine mammals. It means these mammals mostly live in oceans. I discovered that polar bears spend most of the time in water. Polar bear cubs wrestle for practice.
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I read about the polar bear. An important vocabulary word in my book is marine mammals. It means these mammals mostly live in oceans. I discovered that polar bears spend most of the time in water. Polar bear cubs wrestle for practice.