Why is the claim that Mandarin is China’s national language a bit misleading?

According to binet, mental age relates to chronological age because a. they are the same thing b. mental age involves calculating the chronological age at which a person functions c. chronological age involves calculating how a person is mentally functioning d. they are opposites 38

Do you think the united states should continue to execute criminals? why or why not

List and define the two main problems when heavy pumping of wells occurs?