easy · SAT Reading & Writing
Migratory birds often fly in a V-formation. Scientists believe this pattern reduces air resistance for birds flying behind the leader, helping the flock conserve energy over long distances.
Which choice best states the main idea of the text?
- Birds fly in a V-formation only during the winter months.
- The V-formation makes birds fly faster than any other formation.
- Flying in a V-formation helps migrating birds save energy.
- Only the lead bird benefits from flying in a V-formation.
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