QUESTION: Fix punctuation: The history of carbon dioxide and climate usually starts with the Swedish scientist Svante Arrhenius who in 1896 published a paper arguing that increased levels of carbon dioxide could raise global temperatures
ANS: The history of carbon dioxide and climate usually starts with the Swedish scientist, Svante Arrhenius, who in 1896 published a paper arguing that increased levels of carbon dioxide could raise global temperatures.

QUESTION: Fix punctuation: Stage 2 reviewing the experience
ANS: Stage 2 reviewing the experience

QUESTION: Fix punctuation: We concluded that on Saturday 8th of January would be an appropriate date for the shoot
ANS: We concluded that on Saturday 8:th of January would be an appropriate date for the shoot.

QUESTION: Fix punctuation: Choose six out of the nine available symbols to reveal the signs
ANS:
Choose six out of the nine available symbols to reveal the '$' signs.