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)
Did you mean to say Antonyms ? If so , synonyms are words that are related and/ similar to a specific vocabulary word basically meaning the same thing. Antonyms on the other hand , mean the complete opposite of the vocabulary word given .
the first one because it shows how massive our amount of garbage is and will be in the future
How are we supposed to know what to "highlight"