QUESTION: Fix punctuation: It is a good idea to backup etcnetworkinterfaces and etcwpa_supplicantwparoamconf but encrypt your backup because it contains sensitive information
ANS: It is a good idea to backup /etc/network/interfaces and /etc/wpa_supplicant/wpa-roam.conf, but encrypt your backup because it contains sensitive information .

QUESTION: Fix punctuation: Smoking cessation is also important for the prevention of heart attacks and strokes
ANS: Smoking cessation is also important for the prevention of heart attacks and strokes.

QUESTION: Fix punctuation: On a candlestick chart you see more open and close market than all effort of the market in the period
ANS: On a candlestick chart, you see more open and close market than all effort of the market in the period.

QUESTION: Fix punctuation: The hotels ExPure SPA features a heated indoor pool a sauna and a Turkish bath
ANS:
The hotel's ExPure SPA features a heated indoor pool, a sauna, and a Turkish bath.