I think the answer is: orogenisis
Good luck! XD
Explanation:
Carbon dioxide (CO2) is an important heat-trapping (greenhouse) gas, which is released through human activities such as deforestation and burning fossil fuels, as well as natural processes such as respiration and volcanic eruptions.
21. The ovaries and because eggs are the start of the fetus. I can't correctly answer your other qeustions but I hope this one helps. GL.