Stress signals are the ways you express stress for example: ruminating thoughts, shaking of legs, pacing.
Stressors are things that stress you, for example relationship problems or exam.
while you have to answer this question for yourself, I can give you some examples:
shaking before an exam
ruminating thoughts before meeting parents
pacing before a flight
The correct answer is any substance or environmental factor other than a steroid
The independent variable is the factor or behavior that is manipulated by the experimenter in order to observe the effect of that manipulation on another factor or behavior that is the dependent variable. To you It is also called the experimental or active variable.
The correct answer is that the case fatality rate of the Pacific Pox must be high.
A case fatality rate is the ratio of deaths due to a certain disease (throughout the duration of the disease in question). In this scenario, since there are no survivors left, the proportion of deaths among the people who had this disease is obviously rather high.