It helps to make primary data collection more specific, saves effort and time since another researcher already collected the resources and accessing if it’s credible.
Answer:C: Cambodia and Vietnam
Explanation:Just finished the test on edge.
Answer: Secondary anaylsis
Explanation:
Secondary anaylsis is the re-analysis of data already taken before looking at addressing new research questions.
Second hand = 1 rpm:
1/60 rps; i.e. 1/60 cycle/s; i.e. 1/60 Hz