Which two action would most likely lead to an increase of
carbon dioxide levels in the atmosphere?

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

the form of energy changes and the total energy increases0l

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

not too sure but maybe in the hot springs.