♪ Good morning to a brand new day ♪ ♪ Time to learn and games to play ♪ ♪ Learning things is so much fun ♪ ♪ Learning is good for everyone ♪ (bouncy folk music) - Happy Friday, first grade! Fabulous ...
Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds – the ‘thwop’, ‘muah’, and ‘boop’s of a humpback whale, for example, or the boing of a minke whale.
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