Animal Journeys
Birds
Arctic terns fly over 40,000 kilometers each year. They travel from the Arctic to the Antarctic. Then they go back again.
Fish
Salmon live in the ocean, but they lay their eggs in rivers. They travel up to 900 miles to get to rivers to lay their eggs.
Whales
Humpback whales make long journeys every year. In the summer, they head north. The water in the Arctic is icy cold. In the winter, they head south to tropical waters.
What reason would help the author explain why whales travel so far?
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Whales like any type of water.
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Whales mate in tropical waters.
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Whales eat fish.
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Whales are very big.