a.)mailed a letter to his father
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)
Modernism, in the arts, a radical break with the past and the concurrent search for new forms of expression. Modernism fostered a period of experimentation in the arts from the late 19th to the mid-20th century, particularly in the years following World War I.
hubris
Explanation:
meaning excessive pride and self-confidence