Edit the reaction by drawing all steps in the appropriate boxes and connecting them with reaction arrows. add charges where needed. electron flow arrows should start on an atom or a bond and should end on an atom, bond, or location where a new bond should be created.

The answer is 3.

Large asteroid and comet impacts. because they can have a huge impact on the environment, such as a loss of land, and crust on the earth with the big holes they produce. on the other hand, volcanic eruptions can also cause change within the environment by producing land, but im actually not quite sure which one would be a better answer, hopefully you read this and didnt just flat out choose the first sentence i have spoken! your welcome~

Idk. but i think it is. u, oh yea idfk