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Some people do not know that the whale is a mammal just like a human. Humpback whales will sometimes leap clear up out of the water, an act known as breaching. A humpback whale can weigh thirty tons and measure 15 meters in length. So it takes an enormous amount of energy for a whale to breach.
A.
Some people do not know that the whale is a mammal just like a human.
B.
Humpback whales will sometimes leap clear up out of the water, an act known as breaching.
C.
A humpback whale can weigh thirty tons and measure 15 meters in length.
D.
So it takes an enormous amount of energy for a whale to breach.