<u>Answer</u>:
Cameron has been very stressed during harvest season while working on farm equipment in the evenings and harvesting the crops during the day. He comes down with the flu the day after his last field is harvested. The reason for his illness is likely that Cameron’s stress hormones suppressed the activity of Lymphocytes.
<u>Explanation</u>:
Immune system is the collection of billion number of cells that travel through our bloodstream. They defend our body against bacteria and viruses. White blood cells are the main immune cells in our body.
When a person gets stressed, the immune system's ability to fight gets reduced. The stress hormone “corticosteroid” suppresses the efficiency of the 'immune system' by reducing the number of "Lymphocytes". Lymphocytes are of two types:
a. "B cells" which produce antibodies and are released in the "fluid" surrounding the body cells.
b. "T cells" which gets locked to the 'infected' cell and destroy it.
Answer:
During the years between 1916 and 1970, the vast majority (more than 90%) of African-American population have migrated from rural southern states to more urban north states.
The <em>main causes</em> are <em>economic issues</em>, along with poverty and unemployment on the one hand, and still prevalent <em>racial discrimination</em> in the South, on the other. It took place in fourteen southern states, with Georgia being the second most affected after Mississippi.
If a country is not able to produce some goods, it has to buy them somewhere else and bring them into the country - this is called importing, so the correct answer is b.
Selling goods outside of the country is called exporting and giving them away would be called donating.
Answer: c. Master status
Explanation:
Master status is known to be the position which a person is identified and recognized with. It is a status which a person earns due to the characteristics exhibited by him or her and which affect how people relate with him or her. It is of great significance in the existence of an individual because it makes him or her to be aware, conscious and understand the society in which he or she lives. Furthermore, it has great impact on the social identity of an individual. Thus, master status can be based on sex, religion, race, education, age, position and so on.
Because the chromosomes need to line up
