Answer:
Semicolon
Explanation:
First, leave the muffin basket on Maude Flanders's doorstep; later, please text her to tell her that I sent it
Their is pertaining to people. Example sentence: Their books fell. And there pertains to a place. Example sentence: We are going there. Hope this helps.
If you mean biotic, then its probably abiotic and biotic factors. It is the interaction between organisms and their environment.
