Polaris is a fixed star. Why do you think it is useful in sea travel?
A. Polaris can be seen during winter.
B. Polaris always points to the North.
C. Polaris makes Orion visible in the night sky.
D. Polaris makes Big Bear visible in the night sky.
A. Polaris can be seen during winter.
B. Polaris always points to the North.
C. Polaris makes Orion visible in the night sky.
D. Polaris makes Big Bear visible in the night sky.
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