question: low concentrations of pah are also found in connection with forest fires. furthermore, analysis of soils with high content of organic material often indicates a natural background of hydrocarbons, and these can be confused with pah unless a gc-ms analysis is carried out to confirm identification of the hydrocarbons.
Capitalize this past sentence correctly.
A: Low concentrations of PAH are also found in connection with forest fires. Furthermore, analysis of soils with high content of organic material often indicates a natural background of hydrocarbons, and these can be confused with PAH unless a GC-MS analysis is carried out to confirm identification of the hydrocarbons.

question: if you want to know in advance what turns me off: rude people who leave my room and sont day one bye...
Capitalize this past sentence correctly.
A: If you want to know in advance what turns me off: rude people who leave my room and sont day one bye...

question: the wagons innovative superstructure with its integrated hydraulically adjustable multi-function bulkhead allows additional loading of the space above the feed unit.
Capitalize this past sentence correctly.
A: The wagons innovative superstructure with its integrated hydraulically adjustable multi-function bulkhead allows additional loading of the space above the feed unit.