which is defined as any series of action or events that are meant to achieve a particular resort for an advocacy?

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

This is the interaction of two organisms where one is and the other is neither nor harmed.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?