Add spaces: Eventheweather-dependentcultivationgapingardenbedscanbefilledthroughtheuseofasmallgreenhouse,allowinglamb’slettuce,rocketandwinterpurslanetobecultivated.

Answer: Even the weather-dependent cultivation gap in garden beds can be filled through the use of a small greenhouse, allowing lamb’s lettuce, rocket and winter purslane to be cultivated.

Add spaces: TheydescribedLinneaandherfriendPia.ThequotestellmemuchandIquicklygetaglimpseofthegirlsthemselves.

Answer: They described Linnea and her friend Pia. The quotes tell me much and I quickly get a glimpse of the girls themselves.

Add spaces: Volumes1and2containJordan'spapersonfinitegroups,Volume3containshispapersonlinearandmultilinearalgebraandonthetheoryofnumbers,whileVolume4containspapersonthetopologyofpolyhedra,differentialequations,andmechanics.

Answer:
Volumes 1 and 2 contain Jordan's papers on finite groups, Volume 3 contains his papers on linear and multilinear algebra and on the theory of numbers, while Volume 4 contains papers on the topology of polyhedra, differential equations, and mechanics.