Assure could mean making sure something happens, to comfort or remove doubts from a person, or make someone sure of something.
If it's one word answers it could be persuading, guaranteeing, promising, convincing, reassure, satisfy, or tell.
I hope this helps without answer choices it's kind of hard to know what kind of answer you need. Have a great day!
Answer:
secondary; basic
Explanation:
Secondary literature refers to a form of literature that is created by analyzing , Evaluating, and Analyzing the literature work that created by other people. (In the example above, the article is analyzing/evaluating the work of other scientist named Tiktaalik roseae)
The research itself is considered as a Basic research because it is aimed to provide more knowledge that help us improve our understanding of a certain phenomena (Rosae's areticle help us understanding the link between fish and terrestrial tetrapods)
Your answer would be develops, supports, or explains the main idea of a paragraph. Hope this helpsl!