Answer:
D
Explanation
the only other answer i could think it would be would be field research. but why i think it isn't that is because field research is going out and getting research your self.
Do you have a picture of the text?
C. How long does it take to travel from the Earth to the moon?
This is the weakest research question because it can be easily answered. According to a 2 second Google search, it takes about 3 days for a spacecraft to reach the moon from Earth. This question does not allow for a lot of research for development into an essay. Options A, B and D all have a variety of possibilities that would allow for a multi-paragraph essay with significant topic development.
Are these reasons why you love summer break. If these are reasons, that you did a great job explaining them. I loved your article. Great Job!
- Dhruva;)