Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment.
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.
I believe that it would be 121.0
Answer:food-borne contagion ( i think) sorry if i got wrong
Explanation:
33 girls
explanation: 48/16=3 11x3=33
Vitamin D is a <span>fat-soluble </span>vitamin that <span>helps regulate the amount of calcium and phosphate in the body. </span><span>The recommendation for dietary allowance for Vitamin D for different categories of people are based on scientific research, publications, traditional use, or expert opinion. </span>Recommended daily allowance (RDA) is 600 International Units (IU) for those 1-70 years of age. Here belong also individuals around 20 years of age, so their recommended dietary allowance is also 600 IU.
