If you are asking the difference between the two words, then a partner means a pair of two people working together on a project or activity, where as a friend is a person in which one has a close bond or relationship with that is platonic.
Answer:
You should open the essay with a well thought out paragraph that explains what your argument is to that the topic of the essay is clear
Explanation:
They all look right but you might need to use a better word for Tear