Please capitalize where necessary: splendid gilded cupolas rose over the roof, and between the pillars that surrounded the whole building stood life-like statues of marble.
A: Splendid gilded cupolas rose over the roof, and between the pillars that surrounded the whole building stood life-like statues of marble.

Please capitalize where necessary: this allows the intelligence of windows to decide the correct software application to open your ucn file.
A: This allows the intelligence of Windows to decide the correct software application to open your UCN file.

Please capitalize where necessary: on saturday we can expect cloudless weather. morning temperatures will be around 22 c. during the day they will reach a maximum of 37 c. low temperatures at night will be around 22c. westerly winds are weak.
A: On Saturday we can expect cloudless weather. Morning temperatures will be around 22 C. During the day they will reach a maximum of 37 C. Low temperatures at night will be around 22C. Westerly winds are weak.

Please capitalize where necessary: about 70% of the total fat amount consists of oleic acid which is an omega-9 fatty acid also abundant in olive oil.
A:
About 70% of the total fat amount consists of oleic acid which is an omega-9 fatty acid also abundant in olive oil.