The process should eliminate potential bias from patient psychology regarding benefits of the drug and also eliminate the potential bias from the treatment administrators. The advantage of such a procedure is that neither the patients nor the administrators of the treatments know which patients received which treatments.
Answer:
D.....................................
This made me me laugh :D ( C )
Answer:
The answer is <u>A. The Muffler</u>
Explanation:
The first muffler for cars was designed in 1897.
The function of the car muffler is to slow down the speed of movement of the exhaust gases, which helps to smooth the movements of the engine, reduce the temperature of the gases and reduce the emissions of substances that are harmful to the environment.
I believe that is an example of <span>disengagement theory.
</span><span>disengagement theory believe that a person will eventually disengage with his/her current social group as he/she got older.
This could happen either because that person already accomplish their final fulfillment in life or could no longer relate with the value that held by the current social group.</span>
