The blue whale’s heartbeat can be heard from more than two miles away, which must mean it’s pretty big. How many pounds do you think it weighs on average? Hint: the answer is hidden in the photo below.
The blue whale’s heartbeat can be heard from more than two miles away, which must mean it’s pretty big. How many pounds do you think it weighs on average? Hint: the answer is hidden in the photo below.
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