Complex sentence: Using her acidic blood, Ripley melts the glass of a window and pushes the Newborn towards the hole, where it's then violently sucked through the hole due to decompression as Ripley tearfully watches on.
Split into simpler sentences: Using her acidic blood, Ripley melts the glass of a window and pushes the Newborn towards the hole. The Newborn is then violently sucked through the hole due to decompression as Ripley tearfully watches on.