Socially useful part of society.
(:
Answer:
<h3>To act casual like nothing has happened.</h3>
Explanation:
In 'The Tell-Tale Heart', the narrator seat himself and the police officers in the room where the body is buried to indicate that nothing has happened and to avoid any suspicion from the officers.
When the police got called by his neighbor, the narrator hid the remains of the dead man beneath the floorboards and placed a chair above the dead man. The narrator says that he did that in order to avoid any suspicion when the police arrived. He sat on the chair and had a casual talk with the officers because he was sure that he won't get caught.
Answer:
Snowball sampling
Explanation:
Snowball sampling is one where the researcher gets a sample by asking participants in the study if they know other potential participants. The current participants refer new ones.
<h2>
The money a student spends on rent for his apartment while attending school is not an example of the opportunity cost of going to school.</h2>
Explanation: Opportunity cost is defined as the loss of potential profit from other option when one option is chosen. For each choice we make, potential gain is lost by choosing that alternative.
We invest in university expenses as we believe, it will pay off someday in the future. The people who graduate with a degree gets higher salary and get long term career than a student without a degree.
The nap a student could have enjoyed without attending class is not an example of the opportunity cost as investment in colleges offer much more return.
