"meeting" in the sentence is a noun because it is a thing, more like an event. the definition of a noun is a person, place, or thing. hope this helps!
It is A: Having a profound meaning. "Don't put all your eggs in one basket" means don't put all your valuables in one place because if you lose that place, all your valuables are gone (profound meaning). Hope this helped!
Answer:
The first one is a run on sentence.
Explanation:
There are multiple pieces of information in the sentence that should be separated by a comma but aren't, so the sentence is run-on.