Answer:
d. 1
Explanation:
All of the four mentioned stress factors are accurate which are recited to the study partner. The stress of a person is increased when it intakes more of carcinogen as this is a substance which can cause lung cancer. The stress level of a person may rise due to more carcinogen. Similarly more toxin, more noise and more violence will increase the level of stress in a person.
List the chemical changes :
burning candle
light and heat emitted
physical changes:
candle wax melts from solid to liquid
Hope this helps!
Moving the country away from corruption was an ideal of the progressives during the Progressive Era.
Prominent magazine and media coverage of corrupt individuals in business, politics, and local governments by muckrackers (writers and journalists) helped to expose the scandals, monopolies, social ills, and corporate corruptions taking place in America.
The researchers found that the productivity of the more highly illuminated workers increased much more than that of the control group. They also found out that their productivity even improved when the lights were dimmed again. As a result, the researchers<span> concluded that it was not the changes in physical conditions that were affecting the workers' productivity. Rather, it was the fact that someone was actually concerned about their workplace.</span>
