I like white,loose,linen clothes.
Answer:
It emphasizes the author's argument that Antarctica is not being utilized nearly enough
Explanation:
Based on the sentences, Antarctica is an overlooked and vastly underused continent as it has vast resources from fish to minerals to oil.
Based on the usage of the word "vastly", the effect the word has on the author's purpose is that it emphasizes the author's argument that Antarctica is not being utilized nearly enough
It is a run-on sentence, because there needs to be a comma after 'his food'. If there were, it would be a normal sentence, but since there isn't, it is a run-on sentence, meaning it lacks the appropriate punctuation mark.