Answer:
he Schachter-Singer Theory, also known as the Two-Factor theory of emotion, states that 2 factors are needed to experience emotion. First, environmental stimuli elicits a physiological response. Second, we cognitively appraise this physiological activity, and try to give it the correct label.
Explanation:
<span>Selective breeding is when humans take certain organisms and breed them in order to produce desirable or beneficial characteristics (phenotypes).</span>
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
Bone Marrow contributes to the production of red blood cells (RBC's)
Attempting to collect the balance due at the time of service can serve for income purposes. It can guarantee that the doctors and the people involved with the procedure can get paid and the costumer will have the chance to access a proceudure. But actualy there are more disadvantages because the medical body can be sued and that they can not get paid if the patient does not feel that the procedure was good. It doesn't cover some expenses and it may not be comfortable neither for the patient nor for the doctors