Which type of wave is detected from 140° to 180°

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.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this