Question

To ensure that your research project is manageable, you must be sure that your topic is

Answer 1

Narrow enough to be presented thoroughly.

Answer 2

Hi there!

I believe that the words that fit better to fulfil your sentences are narrow enough to be presented thoroughly.

To ensure that your research project is manageable, you must be sure that your topic is narrow enough to be presented thoroughly.

Even though selecting a good topic may not be easy, there are some things to have in mind, such as the topic must be narrow and focused enough to be interesting, yet broad enough to find adequate information. It is also important to make sure to know how the final project will look like before selecting your topic.

Hope this helps!