Chandra and colleagues surveyed participants three times over the course of a 3-year period to examine the relationship between exposure to sexual content on television and teen pregnancy. This is an example of a(n) study.

5. what would happen if citizens did not meet their duties and responsibilities? how would u.s. society change? explain your response.

How have the changes in china's laws affected its economy?

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.