1. Han
The largest ethnic group is Han. While the Han people constitute the majority, there are 55 ethnic minority (formally recognized) groups in China.
Answer: HOPE THIS HELPED! :D ;P
Stratified
Explanation:
B. False The reason for that is like for example coffee or coca leaves. they have to have a tropical climate but we don't not have these types in the US.
The teachers present at the teacher's lounge could be there for a variety of reasons, for example it could even me a meeting of the supporters of the school uniform! his sample is therefore possibly biased - there is no way of knowing that it represents the whole population. He chose it because it was convenient to him - and the answer is "a, convenience sampling"