[Q]: [Thehighertheamountofbeta-caroteneinthebeginningperiodsofthevariousstudies,thelowerthefrequencyofcancerlateron.Laboratoryandanimalstudieshaveshownthiseffecttobeduetobeta-carotene'sabilitytoinhibittumourcellgrowthandcancerdevelopment(1),(14),and(15).]
[A]: [The higher the amount of beta-carotene in the beginning periods of the various studies, the lower the frequency of cancer later on. Laboratory and animal studies have shown this effect to be due to beta-carotene's ability to inhibit tumour cell growth and cancer development (1), (14), and (15).]
Problem: Add spaces: Butthesetwoleversofproductionandofsocialwell-beingareunabletoworktogether,becausethecapitalistformofproductionpreventstheproductiveforcesfromworkingandtheproductsfromcirculating,unlesstheyarefirstturnedintocapitalwhichtheirverysuperabundanceprevents.

Spaces added: But these two levers of production and of social well-being are unable to work together, because the capitalist form of production prevents the productive forces from working and the products from circulating, unless they are first turned into capital which their very superabundance prevents.
This text is missing some spaces, please add them: WhosoeverapproachethtothetabernacleoftheLord,hedieth.
Whosoever approacheth to the tabernacle of the Lord, he dieth.
input question: Fix spacing: Inconnectionwithproduct-orientedenvironmentalwork,thepurposeofcarryingoutalifecycleassessmentistomakeaninventoryofandassessthetotalenvironmentalimpactsduringaproduct'slifecycleandthusgainapossibilityofreducingthem.

output answer: In connection with product-oriented environmental work, the purpose of carrying out a life cycle assessment is to make an inventory of and assess the total environmental impacts during a product's life cycle and thus gain a possibility of reducing them.
Problem: Whentheymovetobikeswithmultiplegears,that'swhentheadventuregetsreallyexciting.
What's a sentence that uses these characters?
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When they move to bikes with multiple gears, that's when the adventure gets really exciting.
ThissaysthatthatwhenSantaClararesidentsgetanotherdollarofincome80%isspentinSantaClaraCountyandanother10%isspentinSantaCruzCounty.
This says that that when Santa Clara residents get another dollar of income 80% is spent in Santa Clara County and another 10% is spent in Santa Cruz County.