The main clause is "Chris's chief interest was tennis".
The subordinate clause is "Which he was just learning to play" and it is an adjective clause because it describes what the "tennis" was like. Tennis is an object and this subordinate clause further describes that it is the tennis that he was trying to learn.
Answer:
Using the present tense makes the descriptions of the setting more vivid.
Explanation: the author chose the present tense to make the narrative appear more vividly by assimilating it to the here-and-now of the speech act.
Answer:
C. Complex Sentence
Explanation:
The sentence is composed of one independent clause and one dependent clause.
The passage supports the main argument because it shows that education will help our future leaders be daring and creative.