Để trả lời cho câu hỏi "Bao nhiêu" thì sử dụng phương pháp phỏng vấn hay Ankét ? Giải thích?

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

What was discussed at the yalta conference

Neighborhood and community characteristics: the social ecology approach emphasizes the view that certain social and physical characteristics of neighborhoods and communities influence the likelihood of committing deviance and crime.imagine that you are in a position as a community leader. there are several neighborhoods in your community with: high poverty rates low quality housing single parent households which issue would you address first, and what strategies would you propose to address this issue?