Mathematics, 26.06.2020 21:01 kingkushkaz2093
A study showed that people who take a B12 vitamin daily have a significantly better chance of protecting against Alzheimer's disease than those who did not take the vitamin daily. Which of the following statements is/are correct?
I. This study provides evidence that taking a B12 vitamin daily contributes to protecting against Alzheimer's disease.
II. The general health consciousness of people who take B12 vitamins could be a confounding variable.
III. This is an observational study and not an experiment.
a. l only
b. III only
c. l and II only
d. ll and III only
e. I, II, and III
Answers: 1
Mathematics, 21.06.2019 12:50, vandarughb2875
Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12
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Mathematics, 21.06.2019 23:30, Bryanguzman2004
Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7
Answers: 1
A study showed that people who take a B12 vitamin daily have a significantly better chance of protec...
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