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

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:30

Can someone me with this problem . show your work .

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Find the nonpermissible replacement for binthis expression.b2/5b +5

Answers: 1

Answer

Mathematics, 22.06.2019 00:30

Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999

Answers: 2

Answer

You know the right answer?

A study showed that people who take a B12 vitamin daily have a significantly better chance of protec...

Questions

English, 03.07.2019 12:00

Read the following excerpt from "the cask of amontillado" and answer question. the thousand injuries of fortunato i had borne as i best could, but whe...

History, 03.07.2019 12:00

Where did the first major military revolution of the american revolution take place...

Biology, 03.07.2019 12:00

Why are enzymes necessary? to the rate of decomposition to act as a catalyst in chemical reactions to conserve the stored energy of a cell...

Geography, 03.07.2019 12:00

It has been over 13 years since wilma (and the more disastrous katrina). comparatively, irma last year had little impact on south aren't we having th...

Spanish, 03.07.2019 12:00

Las (eyebrows) de mi abuelo son blancas...

History, 03.07.2019 12:00

How were indus valley cities different from cities of other early civilizations? a. they were neatly planned. b. they developed near rivers. c. they...

Mathematics, 03.07.2019 12:00

When two lines are cut by a transversal, if the alternate interior angles are equal in measure, then the lines are parallel. always sometimes never...

Biology, 03.07.2019 12:00

What is the definition of niche? a. a unique role of an organism in its ecosystem b. a place where an organism lives and gets its resources c. a se...

Health, 03.07.2019 12:00

Which sentence is punctuated correctly? the badger sleeps in a burrow, during the hottest part of the day. during the hottest part of the day the bad...

Spanish, 03.07.2019 12:00

Asap 98 points! write a short email in spanish in complete sentences. use the vocabulary from this lesson and the following suggestions as a guide fo...

Biology, 03.07.2019 12:00

Two reactants that are used in the process of photosynthesis are?...

Mathematics, 03.07.2019 12:00

Arrange the absolute value expressions in increasing order of their values. |-90| |-43| |47| |-55| |-88| |38| |-18|...

History, 03.07.2019 12:00

In mesoamerican civilizations, enslaved persons were often...

Mathematics, 03.07.2019 12:00

Ihave a project, im gonna have to teach someone how m and b in the equation y=mx+b affect the equation of the line....

Mathematics, 03.07.2019 12:00

Consider the rational expression x2+6x−2/6x−5 . which statements are true about the rational expression? select each correct answer....

History, 03.07.2019 12:00

Where did the first military engagement of the american revolution take place...

Biology, 03.07.2019 12:00

Arealsearcher was performing a test to check the effect of induced point mutation. but the experimental nous could not survive. what might be the reas...

Mathematics, 03.07.2019 12:00

Ill give ! or a moving object, the force acting on the object varies directly with the object's acceleration. when a force of 49n acts on a certain o...

Mathematics, 03.07.2019 12:00

Ill give brainliest me (picture) how many times bigger is the distance from earth to the sun of 9.3 ⋅ 10 6 miles than the furthest distance from ea...

Mathematics, 03.07.2019 12:00

X=4 in the equation e^lnx = 4. why is this so? can you go through the steps/rules...

More questions: Mathematics Another questions