Which statement best describes echolocation in bats?

echolocation bats find food only.
echolocation bats find food and avoid flying into obstacles.
echolocation bats avoid flying into obstacles only.
echolocation is not used in bats.

Answer;

Echolocation helps bats find food and avoid flying into obstacles.

Explanation;Bats are among the few organisms or mammals  that are capable of using sound to navigate, a phenomenon called echolocation.More than half of the bat species use echolocation to detect obstacles in flight, find their way into roosts and forage.Echolocation together with physical features and psychological adaptations, allows bats to see with sound. Echolocation is produced by bats through the contraction of their larynx.

2. they have negligible mass.