I have noticed that some of my students confuse to CAUSE, to be CAUASED BY Let's see into it. What can cause decompression? What can decompression cause? What can decompression be caused by? cause=lead to can be caused by= can be reason for smth Mind the word order! What can cause decompression?=What can lead to decompression? What can decompression cause?=What can decompression lead to?