Mei Li:
What is the lowest part of the Earth's atmosphere, which may be 2 km high above the Earth's surface??
Shuai Zheng:
troposphere
Mei Li:
Which TV stone-age family lived in Bedrock??
Shuai Zheng:
flintstones
Mei Li:
In December 1937 which long-running children's comic was first published in the UK??
Shuai Zheng:
dandy