QUES: Arthur was educated at Loreto Convent where like his sister he showed considerable musical talent winning a prize for his playing of the piano

correct the punctuation.

CORRECTED: Arthur was educated at Loreto Convent where, like his sister, he showed considerable musical talent, winning a prize for his playing of the piano.

QUES: The permanent population is about 3000 Monaco its tiny principality smaller than Londons Hyde Park clings spectacularly to the rocky shores of the Mediterranean Sea and houses the famous palace of the legendary Grimaldi family The Formula 1 Grand Prix and the Monte Carlo Rally are the citys two most glamorous events summing up the spirit of prestigious Monte Carlo

correct the punctuation.

CORRECTED: The permanent population is about 3000. Monaco, its tiny principality smaller than London's Hyde Park, clings spectacularly to the rocky shores of the Mediterranean Sea and houses the famous palace of the legendary Grimaldi family. The Formula 1 Grand Prix and the Monte Carlo Rally are the city's two most glamorous events, summing up the spirit of prestigious Monte Carlo.

QUES: An example of this is when building roads you are obliged to find out that no species are threatened in the long run if you build a road right there

correct the punctuation.

CORRECTED:
An example of this is when building roads, you are obliged to find out that no species are threatened in the long run if you build a road right there.