According to estimates, there are now between 500,000 and million self- groups in the united states alone.

According to estimates, there are now between 500,000 and 3 million self-help groups in the united states alone.

your answer is 3 million.

answer; negative punishment;

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.