Scientists are creating vaccinations that prevent people from getting bird flu. If the virus mutates, a new vaccine needs to be made. The vaccine needs to be tested, which can be dangerous. It also takes a long time for scientists to know whether the vaccine works.
Answer:
False, the cephalocaudal trend refers to the pattern of changing spatial proportions over time during growth
Answer:
The variable that will change in response are the GAD symptoms
Explanation:
We have two variables here, the independent variable ,which is the Drug R dosage and the dependent variable which are the GAD's symptoms measured in the Hamilton Anxiety scale. So then, the variable that should change in function of the Drug R dosage are the symptoms of Anxiety
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