Answer:
the pupil of your eye contracting in the presence of bright light
Answer:
Longitudinal design
Explanation:
A longitudinal study is a type of observational research method in which data is collected for the same participants repeatedly over a given period. It can extend over the years.
Types of Longitudinal research: Cohort study and panel study.
Disadvantages:
1. Require a long duration of time.
2. Data is not a hundred percent reliable.
3. Require a large sample size.
4. Not cost-effective research.
<span>B. Republic
India is a federal republic,and is the most populous democracy in the world with over 1.3 billion people.
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