Sentence fragment:
Enters the lobby eagerly.
Run on sentence:
Theodore walked 10 miles he did not enjoy it.
Answer:
I am faced with my imminent demise; therefore, life becomes a very precious thing.
Explanation:
The semicolon is like a comma. But longer.
See here, in this sentence, you are separating the imminent demise from the fact that life is precious.
What is it that you’re talking about?