If it was mandatory they would be given a perfect opportunity for those who love to participate in activities like students who don't know where to start, and those who would like to try with there friends
Answer:
A.
Explanation:
To find out if a call of an animal is missing.
It would be A. because the selection said, "The more scientist's listen to these kind of recordings, the more they notice when expected call are missing".
Answer: ‘If I'd listened to people's advice, my cat would've died in the storage container he was trapped in.’”
Explanation: i took the test but got it wrong and noticed it was that
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