It most likely gives a negative connotation because something being on fire is usually not a good thing. So if your marriage is on fire it is probably not going so well and may need to be put out or in other words Divorce
The correct answer is the last option: If you take away the suffix –n and the prefix un-, the root word is “know”.
Prefixes and suffixes are sets of letters that are added at the beginning (prefix) or end of a word (suffix). They are not words by themselves, but they do change the words' meanings or categories.
In this case, the root is know. The suffix -n is used to change the word's category from verb (know) to noun (known). While, the prefix un- is used to mean NOT. As a result the meaning of the word UNKOWN would be not known or familiar.
I believe that the first answer, recovering from love, is correct. Because he could not recover his love, which is sometimes referred to as a fire, he is sad or in emotional pain.
Task analysis<span> is the analysis of how a task is accomplished, including a detailed description of bot manual and mental activities </span>
Although Mrs. Mallard's hear trouble appears to refer only to a physical condition, her true trouble is that, despite the fact that she is married to a good man, she is unhappy because she does not feel free. In this sense, it is symbolic of the unease that this lack of independence brings her. Also, the mention of her heart condiion at the beinning ofthe paragraph anticipates her eventual death. At first, the reader might think that it is the news of her husband's death that will cause Mrs. Mallard's own decease, but what triggers her heart attack is the revelation that the news were false, and that she has lost all the freedom that she had just begun to envision.
