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
Education and training helps to open doors to many different job opportunities. While college is not for everyone, there are different training programs where you can earn special certificates and licenses to set you apart from other people. The entire point is to make a living where all of your needs are met. Simply having a high school diploma only makes you eligible for bare minimum jobs where you are completing against several others. Yes, you are often able to work your way up the ladder if you are a hard worker, but that could take years. In order to have more options and a future where you are earning more money than minimum wage.
Basically it is to organize your thoughts. You would usually make a Topic Web before you do a research paper, or essay.
Hope this is the answer you were looking for and that it helps!! :)