Which topic would be most appropriate for a 4-5 page research paper

You can write facts about the ocean and how us humans are damaging to sea corals with all of our pollution and the way it is affecting the sea or you can write about how there is an invasive animal in the sea which is the lion and how it is causing problems in the ecosystem in the ocean and how it is causing problems in other fishes daily energy consumed from other fish

the choice that is not a technique that you should use to come up with ideas for the topic of a research project is, writing about academic subjects that are not interesting to you. this does not belong to the techniques to come up with ideas because having no interest in a certain topic will lose your drive to come up with better ideas. it gives no room for improvement and acquiring of new ideas and information. 

explanation:

you need need more details so we can understand what your asking us.