Which of the following statements in a research paper would need a citation?

1 washington d. c. is the capital of the united states.

2 the landing on the moon is one of the most exciting events in recent history.

3 volcanologists agree that eruptions still cannot be predicted with absolute certainty.

plz make sure your answer is write

3 Volcanologists agree that eruptions still cannot be predicted with absolute certainty.

This is due to the fact that this is not a commonly know fact and you would have to indicate the study the statement derives from, in other words cite the source.

from the political point of view it could be said that the candidate   is an effective speaker because she takes a strong position on the issue. it is an open discussion but probably she is making a presentation and can choose which subjects she wants to address. she is very likely to attain her aim which is to convince voters to accept her proposal.

answer: may i see the sentences?