QUES: This is a game that you need to decide whether you want to play that extra coin or not If you do then you could stand to win extra if you hit the jackpot

correct the punctuation.

CORRECTED: This is a game that you need to decide whether you want to play that extra coin or not. If you do then you could stand to win extra if you hit the jackpot.

QUES: Policy support for natural gas is one of the keys to rapid reductions in carbon emissions over the next few years

correct the punctuation.

CORRECTED: Policy support for natural gas is one of the keys to rapid reductions in carbon emissions over the next few years.

QUES: Popul re casino game

correct the punctuation.

CORRECTED:
Popul re casino game.