Answer:
The real existence of Scotland's Loch Ness monster has been neither proved nor disproved, but an inquiry into the history of the legend,past expeditions to Loch Ness, and discoveries made by the explorers to the area continue to arouse interest in the validity of the monsters existence.
No comma needed
The game was delayed because the field was wet.
Answer:
a point of view and a viewpoint are essentially the same thing. They both refer to an attitude or a way of thinking about a particular subject, e.g. Try looking at things from a different point of view. Try looking at things from a different viewpoint.
The second and last highlighted parts
Answer:
For example, “Life is a box of chocolates.” An analogy is saying something is like something else to make some sort of explanatory point. For example, “Life is like a box of chocolates—you never know what you're gonna get.” You can use metaphors and similes when creating an analogy.
