The words and phrases stated by President Eisenhower highlight Dr. Salk as a patriotic hero. He showers praises and respect upon Dr. Salk for his research, findings, and willingness to share his research to assist mankind. He believes that Salk has assisted in saving lives from paralytic polio both in the present time and in the future.
Answer:
True
Explanation:
Common law, like statutory law, is prospective.
I hope it helps! Have a great day!
Pan~
Answer:
because the spanish were busy doing other stuff
Answer:
Placebo
Explanation:
A placebo group is "an inactive substance or treatment that cannot be distinguished from a real, active substance or treatment"
Fro any experiment, "subjects respond differently after they receive a treatment, even if the treatment is neutral". When we have a neutral treatment that has no effect on the dependent variable is called a "placebo".
And is important to used when we want to find significant effects on any treatment in a population selected. And the common procedure that use a placebo group is the ANOVA of 1 or 2 ways.