Answer:
I think it would be all of the above, if you could provide a passage with the question it would be helpful. But I'm not 100% sure if it would be all of the above.
Answer:
Volcanic eruptions are dangerous.
Earthquakes are dangerous.
Floods are dangerous.
Tsunamis are dangerous.
Explanation:
Okay, so as long as you have certain conditions, it can be a sentence. Therefore, you can spend a quick amount of time writing these. You need a noun and a verb, which is why these are quick.