Q: Remove the spaces from the following sentence: The airguns and the hydrophones which are listening to the reflected signals are mounted on a long cable, which is dragged after the ship, when measurements take place.
A: [Theairgunsandthehydrophoneswhicharelisteningtothereflectedsignalsaremountedonalongcable,whichisdraggedaftertheship,whenmeasurementstakeplace.]

Q: Remove the spaces from the following sentence: Circa 1972, I was invited to give a lecture at the Indian Institute of Technology at Guindy. During a conversation before the lecture one of the professors at the institute told me that the majority of youths who take to the study of science and technology do so, not because they have any scientific attitude or aptitude, but just because such a course helps them to get lucrative jobs.
A: [Circa1972,IwasinvitedtogivealectureattheIndianInstituteofTechnologyatGuindy.Duringaconversationbeforethelectureoneoftheprofessorsattheinstitutetoldmethatthemajorityofyouthswhotaketothestudyofscienceandtechnologydoso,notbecausetheyhaveanyscientificattitudeoraptitude,butjustbecausesuchacoursehelpsthemtogetlucrativejobs.]

Q: Remove the spaces from the following sentence: But land—there it is. You can put up a simple little sign on every lot, or upon every piece of agricultural land, saying that this tract is of such a frontage and of such a depth, having such an area, and it belongs to such a person, and is assessed at so much, and you have published information checking the assessment; you have the assessment on a value that can be ascertained more definitely, more certainly than any other value.
A: [Butland—thereitis.Youcanputupasimplelittlesignoneverylot,oruponeverypieceofagriculturalland,sayingthatthistractisofsuchafrontageandofsuchadepth,havingsuchanarea,anditbelongstosuchaperson,andisassessedatsomuch,andyouhavepublishedinformationcheckingtheassessment;youhavetheassessmentonavaluethatcanbeascertainedmoredefinitely,morecertainlythananyothervalue.]

Q: Remove the spaces from the following sentence: We advance the safe use of chemicals
A:
[Weadvancethesafeuseofchemicals]