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:
DNA
Explanation:
DNA is found in the nucleus of a cell.
The human genetic code is made of 50,000 genes.
Organisms store and transmit genetic information.
DNA has a double-helix structure.
Cells contain protein molecules.
The correct answer is the Atlantic Ocean.
I had this last year, it’s b. Communism
Answer:
The main difference between debates in the Senate and in the House of Representatives is the time they take to debate, with the consequent effect on the pace of debate and its ideological depth.
This is so because the senators last 6 years in their positions, while the representatives only last 2, with which they have much less time to prepare the bills and debate them than the senators have available.
For this reason, the style of the debates in the House tends to be more accelerated, less ideological and often without certain formalities that necessarily prevail in the debates of the Senate.
