Add spaces: node-q(packageinfo),adoptionrequestedsince68days.

Answer: node-q (package info), adoption requested since 68 days.

Add spaces: 2Withrespecttothe"CranialformsoftheAmericanaborigines,"seeDr.AitkenMeigsin'Proc.Acad.Nat.Sci.'Philadelphia,May,1866.

Answer: 2 With respect to the "Cranial forms of the American aborigines," see Dr. Aitken Meigs in 'Proc. Acad. Nat. Sci.' Philadelphia, May, 1866.

Add spaces: Youshouldusechemicalpesticidesonlyiftheinfectionisveryseriousorappearsperennially.

Answer:
You should use chemical pesticides only if the infection is very serious or appears perennially.