Hello!
The experiment this question refers to is Pavlov's Dogs.
Ivan Pavlov was a russian physiologist who is most known for his work with classical conditioning.
Answer:
I think it is D
Explanation:
During this time, machines, such as vacuum cleaners, washing machines, and refrigerators, increased leisure time by reducing the time it took to do housework. And not to mention stuff was crazy cheap back then. Lets say you wanted to go to a movie. it was only 5 cents for entry. You would be able to have a good time and save money.
The House of Representatives
Article I, Section 2 of the Constitution states: "The House of Representatives shall chuse their Speaker and other Officers." The Speaker is elected by roll call vote when each new House first convenes.
<span>The Ancient Romans built roads for their military but it immediately helped commerce and political negotiations. There are some Roman roads still being used today.</span>