You can conclude that prudent means wise, as the opposite is foolish.
This is not english related
Awareness is impacted when people are enlightened, by slowing integrating itself into our daily lives. Recycling more, shorter showers, less waste, composting, and less use of aerosol products can be a result from awareness of the changing climate and the big impact we have on it.
Answer: Ascertain in the context means that to be sure of the fact that there is no home work but rather to prepare for the quiz.
Explanation: Synonyms of ascertain is "discover" which means to make exact or to be precise about a situation being correct.