Question: The lowland areas are also planted with cut flowers and a variety of fruits and vegetables many are grown all year round under glass
Please fix the punctuation.
Fixed: [The lowland areas are also planted with cut flowers and a variety of fruits and vegetables, many are grown all year round under glass.]

Question: Another really very probable possibility is that weaker electric discharges did not occur at all that common surrounding irregular damaging formed only due to residual currents leading through tractor tracks possibly by induction in them
Please fix the punctuation.
Fixed: [Another, really very probable possibility is that weaker electric discharges did not occur at all, that common surrounding irregular damaging formed only due to residual currents leading through tractor tracks, possibly by induction in them.]

Question: Enzymes with an ability to break down virus have been detected in saliva
Please fix the punctuation.
Fixed: [Enzymes with an ability to break down virus have been detected in saliva.]

Question: The chief targets are governments banks museums auction houses and insurance firms
Please fix the punctuation.
Fixed:
[The chief targets are governments, banks, museums, auction houses, and insurance firms.]