<span>The largest
experimental statistical study that has happened in the past and was conducted
for is the Public Health Service Experiment that has happened in the year 1954,
this experiment has been conducted because of the Salk Vaccine, which is also
known as the Polio Vaccine.</span>
Hello! The correct answer for the blank is: Schachter-Singer.
I hope this helped! c:
Answer:
agricultural labor for physical protection
Explanation:
During the medieval ages, the serfs were the people who were the agricultural laborers. These laborers worked o the lands of the landowners. In return of the work they got legal protection. They received different and to run their persona needs and earn their livelihood. They were exposed to certain rules and restrictions that they were to follow. These laborers were not free and they worked for the protection of their rights.
Answer:
These mountains have formed near the Arabian– Eurasian convergent plate boundary where continental collision began by 30 Ma at the earliest. However, the time at which the Al Hajar Mountains developed is less well constrained.
An unrealistic fear that manifests itself in physiological arousal and is accompanied by the behavioral signs of escape or avoidance of stimulus that provokes unpleasant emotions is called anxiety.
Anxiety is either temporary in nature or specific to a particular stimulus, or there can be a general sense of anxiety which is not specific to a particular stimulus.
