Many different processes, both natural and human-caused, can release carbon dioxide into the atmosphere. Which of the following processes can occur naturally and adds carbon dioxide to the atmosphere?

carbon dioxide is added to the atmosphere naturally when organisms respire or decompose,  

Explanation:

Plants burning in a forest fire

Explanation:

i got it from study island :D

nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.

може ли да зареждате повече информация, моля