An insect crawls 4 m east along a hiking path in 20 seconds, and then a bird swoops down and eats

it. What was the insect's velocity?

They all deal with hard evidence(scientific)

Answerfalse

The  moon has  insufficient gravity to retain an  atmosphere. we conclude that the moon has no atmosphere  because its gravitational field is too weak to  have  retained any  atmosphere  that it had over times comparable to the age of the solar system.