Problem: Add spaces: HewroteapopularbookonmathematicsincollaborationwithHRademacher.

Spaces added: He wrote a popular book on mathematics in collaboration with H Rademacher .

Problem: Add spaces: Thebeing'spsycheisthenattunedsothathecanfeelsatisfiedonlythroughabsolutelyconcreteorscientificanalyses,thecorrectnessorabsolutetruthofwhichhecancheck.

Spaces added: The being's psyche is then attuned so that he can feel satisfied only through absolutely concrete or scientific analyses, the correctness or absolute truth of which he can check.

Problem: Add spaces: Therefore,theresultofsuchatestwillshowalackofbiodegradability,whichmaysimplybeatoxiceffectcausedbytheconcentrationofthetestsubstanceusedinthedegradationtest.

Spaces added: Therefore, the result of such a test will show a lack of biodegradability, which may simply be a toxic effect caused by the concentration of the test substance used in the degradation test.

Problem: Add spaces: Therearemanymythsandlegends,accordingtosomeofthemwhichsomepeopleitisstillpossible.

Spaces added:
There are many myths and legends, according to some of them which some people it is still possible.