What is Hong Kong, China, agricultural density?

The us is not democratic (facts/data/information/reason to prove the us is undemocratic)

Gi gi di g i d i d i i f o u n d y o u

Dr. williams conducted a survey in the mall, measuring the shopping habits of people ages 15, 25, 35, 45, and 55, with 10 people in each group. which of the following best describes her study? an experiment a cross-sectional study a case study a longitudinal study a double-blind study