Add spaces: Thekindergartenwillstarttogrow!PressF11togetfullsizescreen.

Answer: The kindergarten will start to grow! Press F11 to get full size screen.

Add spaces: Astoobjectionstotheexpedition,theywilldifferineachman'scase,andnothingwould,Ithink,beinferredinCharles'scase,ifitwereknownthatothershadobjected.

Answer: As to objections to the expedition, they will differ in each man's case, and nothing would, I think, be inferred in Charles's case, if it were known that others had objected.

Add spaces: Chemicalsareassessedinamoreorlessstepwiseapproach,dependingonthedepthofthelifecycleassessment(matrix-detailed).

Answer:
Chemicals are assessed in a more or less stepwise approach, depending on the depth of the lifecycle assessment (matrix - detailed).