Withrespecttodegradationinsurfacewaters,investigationsperformedinlightedcondtionshalf-livesof1-50days,withanaveragevalueofapproximately10days,whereasinvestigationsperformedundercondtionsofnolightshowedhalf-livesof7-245days.

With respect to degradation in surface waters, investigations performed in lighted condtions half-lives of 1-50 days, with an average value of approximately 10 days, whereas investigations performed under condtions of no light showed half-lives of 7-245 days.
[Q]: [1weekago27:12xHamstersaggytits,milk,natural,mature,Japanese,bigtits]
[A]: [1 week ago 27:12 xHamster saggy tits, milk, natural, mature, Japanese, big tits]
Problem: Add spaces: Didyouknowthat,altogether,the32smallshipsinMinilandsailmorethan12,000nauticalmilesperyear?ThisisthesameasthedistancebyseafromCopenhagentoAustralia.

Spaces added: Did you know that, altogether, the 32 small ships in Miniland sail more than 12,000 nautical miles per year? This is the same as the distance by sea from Copenhagen to Australia.
This text is missing some spaces, please add them: Highestlevelofprecision
Highest level of precision
input question: Fix spacing: Itisanevidenterror,thatmustbecorrectednow.Ifonedoubtsthenumberoffuturepassengers,dolettheferrysailit's11departuresandifadecreaseinpassengersisobserved,thenonecancutthenumberofdepartures,butonlythen!

output answer: It is an evident error, that must be corrected now. If one doubts the number of future passengers, do let the ferry sail it's 11 departures and if a decrease in passengers is observed, then one can cut the number of departures, but only then!
input question: Fix spacing: ThesupplyislargerthantheremovalthusacontinuingaccumulationofdioxinintheBalticSea.

output answer:
The supply is larger than the removal thus a continuing accumulation of dioxin in the Baltic Sea.