Fact: Earth 's magnetic patterns are used for finding locations by animals that migrate
Question: A goose needs to move to warmer states for the winter. Leaving its summer home, it heads out without a map, because it can always find the right way by using

What's the answer? Possible answers: A. the World's great patterns; B. the Earth's magnetic patterns; C. a map it buys later on; D. a compass that points north;
B.