A bird on a long migration flies 63 kiometers per hour for 2900 kilometers. How long does he fly

scientific laws are the result of testing theories and proving them to be facts.

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

it is a negative acceleration