What is the main idea of the section 'Listen for a song'?
Blue Whales sing as they swim
A blue whale is bigger than 3 buses
A blue whale has 2 hole on top of it's head?
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Blue Whales use______ a material in the mouth that filters food to eat.
tongue
teeth
baleen
nose
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What is the effect of blue whales eating a lot and growing blubber?
Blubber helps the whales see predators
Blubber help the whales keep warm in cold water
Blubber helps the whales swim deeper
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Is this correct?
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What do you think?