Correct answer: the hypothetico-deductive method.
Explanation: This model or method is a propose description of the scientific method. A researcher propose an hypothesis in a form that can be falsifiable. Then he/she must come up with tests for the observable data that he/she has. With this test the hypothesis can be proven true or false.
In summary, this method (The H-D method) is the procedure to build scientific theories. The results obtained come from direct observation or experimentation and will help to predict future effects that can be verified or proven by empirical evidence.
I believe the answer is: activation of large nerve fibers in your spinal cord
Gate control theory was popularized by Ronald Melzack and Patrick Wall, it views that non-painful area input closes the doors or "gates" to the painful area input, this exist in order to prevents pain sensation from coming through the central nervous system and being transferred across our body.
The correct answer is: "FICA".
FICA stands for Federal Insurance Contributions Act. It establishes a mechanism through which both employers and employees make their contributions and fund the Social Security system and the provision of Medicare benefits.
Such funding is used at a federal level to provide income support to individuals who are retired, who suffer disabilities or, for example, to the families (children) of deceased workers.
George Washinhton it is I think i learnt it three years ago.I mean he was the first president.