What might be the subject of a profound discussion?

This technique was perceived as very enlightening and encouraged profound discussion among participants through different scenarios, showing their potential and robustness for exploration.

Explanation:

Hope this helps

d. the two authors are in awe of nature; their experiences, reveal that time in nature can change people.

explanation:

well people will have to mark your answer as the best answer. and from that u receive crowns.

~batmans wife dun dun