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In the last decade, NASA has shifted its priorities from manned to unmanned space exploration (probes and landers). Recently, NASA has revealed that many of these unmanned missions are steps in a larger plan to send human astronauts to Mars in the coming decades. Nevertheless, while some politicians, scientists and American citizens support such a plan, others oppose it for a variety of reasons. Write a literature review in which you identify a particular need for further research into ONE aspect of this plan, such as the effects of prolonged space travel on human health, the efficacy of growing plants and crops on Mars, etc. be sure to write a clear, focused thesis statement that directly addresses the assignment. Also, be sure to provide sufficient reasons and evidence to support your thesis, and don’t forget to consider an opposing view. When revising, check to see that you have used your sources effectively. Also, check to see that you have avoided logical fallacies and that you have edited for grammar errors. Overall, I would like to show support of sending humans to space. I also have three sources, that must be used in this essay, and two more need to find as outside sources. I prefer, educational journal, literature review or debate, not too much web. I also need Work Cited page(MLA format). I’ll provide three souses ,once chosen the writer. I prefer 5 paragraphs(introduction, 3 body paragraphs, conclusion) 1,100 words