A, 20.
The vigesimal numbering system, or base-20 numeral system, is based on the number twenty. Twenty individual numerals/digits are used, ten more than in the usual decimal system.
Answer:
Although we can't see the video, I have some answers.
1. Watching dance Marathons where contestants Danced Till they dropped.
2. venturing haunted houses.
3.Lining up to see people sitting on poles
4. Laughing at students swallowing goldfish.
Explanation:
I've studied the Great Depression for many of my writings.
