Answer:
4) It suggests there is one final point to discuss regarding mucus.
Explanation:
The word "Furthermore" indicates that there is still a point about the mucus that needs to be discussed before the article is finished. This point is probably related to other characteristics of the mucus, besides the impression of unpleasant goo. This point that will still be discussed will be about the beneficial functions of mucus in our organism, in addition to showing its importance for our health.
B Sister's because it shows ownership with the apostrophe s
There was war, so the plane got shot down?
To see if the mass is equal
