Which of the following is not a current theory regarding global climate change?

Explanation:

“Higher levels of carbon dioxide in the atmosphere will have no effect” is not a current theory regarding global climate change.

 Global warming refers to the recent and ongoing rise in global average temperature near Earth's surface. It is caused mostly by increasing concentrations of greenhouse gases in the atmosphere. Global warming is causing climate patterns to change

The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

C.) Higher levels of carbon dioxide in the atmosphere will have no effect.

Explanation:

Edge

the answer is "a.) well–developed vascular system."

explanation: