Please make it (at least) level 3 science throughout. This is the tutor feedback for contents page, introduction, and the literature review for 5 papers; -You are not at all mentioning any objectives for your review, nor are you commenting on the scope or the methodology you are using. It should become clear in any introduction what the literature review sets out to achieve -Substructure: Your contents list provides a first idea of the structure of your literature review. However, this first idea cannot really be identified here. What exactly are you planning to convey in each of the paragraphs? How are you organising your narrative? Where does it ultimately lead? This is not at all clear. -Underlying science: There is almost no scientific detail contained in this text at all.