Complex sentence: Arriving on Skull Island, Packard's men begin dropping explosives developed by seismologist Houston Brooks to map out the island, attracting a 100 foot-tall bipedal ape known as Kong, who attacks the helicopters, destroying most of them and heavily damaging the rest.
Split into simpler sentences: Arriving on Skull Island, Packard's men begin dropping explosives developed by seismologist Houston Brooks to map out the island, grabbing the attention of and enraging the ape known as Kong. Kong attacks the helicopters, destroying most of them and heavily damaging the rest.