Adele Goldberg and Robert Flegal of Xerox Palo Alto Research Center in 1982.
i hope this helps chu
Answer:
All Star cheerleading is a competition sport that involves boys and girls performing a 2 minute and 30 second routine composed of tumbling (gymnastics), stunting (groups of athletes elevating other athletes), pyramids (combinations of attached stunts), dance, and cheer segments.
Explanation:
True. I take Photo 1 and it's important to agitate it.