Mei Li:
What is the main protein of connective tissue in animals and the most abundant protein in mammals, making up about 25% of the total protein content??
Shuai Zheng:
collagen
Mei Li:
What is the name of the man in the top hat that serves as the mascot of the game Monopoly??
Shuai Zheng:
rich uncle pennybags
Mei Li:
What country was occupied by Spain, the United States, and Japan before becoming independent??
Shuai Zheng:
philippines