What are “they" listening for?

A. To tell how species of animals are different

B. To hear the heartbeats of many
animals

C. To find out if the call of an animal
is missing

What are they listening for A To tell how species of animals are different B To hear the heartbeats of many animals C To find out if the call of an animal is m class=

Respuesta :

Answer:

C. To find out if the call of an animal  is missing

Explanation:

The more scientists listen to these kinds of recordings, the more they notice when an expected call is missing.

I hope this helps you in any shape or form.

Answer:

the answer is to find out if the call of an animal is missing.

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