Answer:
There is a whole bunch of energy trans formation taking place, layers and layers in fact:
First an elecric motor transforms electricity into kinetic energy and thermal energy.That motor turns a magnatron converting producing a specific band width of microwaves particularly well tuned to heating water molecules.
Those microwaves are doing all sorts of stuff:
Most are bouncing off the reflective surface of the fan blades attached to the motor/magnatron assembly and walls of the appliance but some of them are absorbed increasing the energy level and heat of the molecules of those surfaces (kinetic and thermal energy).
Then most of those bounced microwaves hit the food or food vessel the food is in. Some of those photons are absorbed being transferred to kinetic and thermal radiation at a new wave length and some go on their merry way.
Some of those microwaves pass by water molecules which, because water molecules have a polar charge, start spinning, causing transfer of em energy to kinetic energy and then kinetic energy to thermal energy. So again you get kinetic and thermal effects.
What give microwave cooking its unique characteristcs is the interplay between mucrowaves and water in the food. Microwaves are very, very efficient at heating water. So when you microwave food you are effectively steaming the food in its own juices.
Explanation:
Answer:
A Summary of Progress. Executive Order 9981, issued on July 26, 1948, declared it to be "the policy of the President that there shall be equality of treatment and opportunity for all persons in the armed services without regard to race, color, religion or national, origin."
Explanation:
Answer:
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63)
Explanation:
A shy, awkward child, starved for recognition and love, Eleanor Roosevelt grew into a woman with great sensitivity to the underprivileged of all creeds, races and nations. Her constant work to improve their lot made her one of the most loved - and for some years one of the most reviled - women of her generation.
She was born in New York City on October 11, 1884, daughter of Anna Hall and Elliott Roosevelt, the younger brother of Theodore. When her mother died in 1892, the children went to live with Grandmother Hall. Eleanor's adored father died only two years later. Attending school in England gave her, at 15, her first chance to develop confidence among other girls.
Tall, slender, graceful of figure but afraid of being a wall-flower, she returned for a debut that she dreaded. In her circle of friends was a distant cousin, Franklin Delano Roosevelt. They became engaged in 1903 and were married in 1905. Her uncle the president gave the bride away. Within eleven years Eleanor bore six children; one son died in infancy.
In Albany, where Franklin served in the state Senate from 1910 to 1913, Eleanor started her long career as political helpmate. When he was stricken with poliomyelitis in 1921, she tended him devotedly. To keep his interest in politics alive, she became active in the women's division of the State Democratic Committee. She dedicated her life to Franklin's purposes. She became eyes and ears for him, a trusted and tireless reporter.
When Mrs. Roosevelt came to the White House in 1933, she understood social conditions better than any of her predecessors, and she transformed the role of first lady. Never shirking her duties as hostess, she broke precedent to hold press conferences, travel to all parts of the country, give lectures and radio broadcasts, and express her opinions candidly in a daily syndicated newspaper column, "My Day." This made her a target for political enemies, but her integrity, her graciousness and her sincerity of purpose endeared her to many. As she had written wistfully at age 14, "no matter how plain a woman may be if truth & loyalty are stamped upon her face all will be attracted to her."
After President Roosevelt's death in 1945, Eleanor returned to their Hyde Park estate, telling reporters: "the story is over." Within a year, however, she began her service as American spokeswoman in the United Nations. She continued a vigorous career until her strength began to wane in 1962. She died in New York City that November, and was buried at Hyde Park beside her husband.
Hope this helps :)
