Answer:
An observational study.
Explanation:
Observational studies are those studies in which the researchers note the effects of risks factor, diagnostic test, or treatment without interrupting in it by changing anything. It is an investigative study that aims at distinguishing the effects caused by the treatment.
<u>In the given case, the researcher has used the observational study method to identify the effects of exercise on reducing the cholesterol level. He divided the people into two groups with 50 each. The research was performed without an awareness of these people as well as the technician measuring the cholesterol level. Thus it exemplifies an observational study</u>.
So, the correct answer is the observational study.
Answer:
As an event, the Industrial Revolution had both positive and negative impacts for society. Although there are several positives to the Industrial Revolution there were also many negative elements, including: poor working conditions, poor living conditions, low wages, child labor, and pollution
Explanation:
Pros
1. You may need it for something
2. You may sell it later on for somebody else to use.
Cons
1. You may forget about buying it.
2. It may become useless to you later on.
The answer is C fault-block
Answer:
d. refusing to confirm appointments
