Answer:
Cohort study
Explanation:
Cohort study: The cohort study is defined as a longitudinal study that takes a sample of cohort that performs a cross-section at different intervals concerning time.
In this context, the cohort is known as a particular group of individuals who incorporates a defining character, usually those individuals who have accomplished a specific event in a particular period, like birth order.
Cohort study comes under the observational studies.
Example: In the question above the researcher wants to identify the impact of cholesterol on the development of heart disease.
<span> When Rome declined, the western half of the empire formed the Byzantine Empire. The eastern half became the Holy Roman Empire. Because the Byzantine Empire came from the fall of the Roman Empire, the Byzantine Empire had many similarities with Rome. In addition to these similarities, there were also several differences between these two empires. This includes culture, religion, and location. These similarities and differences helped shape the Byzantine Empire into what it became.</span>
<span>A classification level must be assigned to information when that information is determined to be classified. A classification level indicates the relative importance of classified information to national security and thereby determines the specific security requirements applicable to that information. Clearly defined classification levels are essential to an effective classification system</span>
Answer:
the Dalai Lama spiritual leader