1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
cupoosta [38]
3 years ago
8

A study showed that people who take a B12 vitamin daily have a significantly better chance of protecting against Alzheimer's dis

ease 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
Mathematics
1 answer:
marishachu [46]3 years ago
3 0
A. 1 only- this study provides evidence that taking B12 vitamin daily contributed to protecting against Alzheimer’s disease.
You might be interested in
What is the value of 1-18+25 if you subtract then add? If you add then subtract? Why is the order of operations necessary?
Aleksandr-060686 [28]
In this problem it just goes left to right, 1-18+25 = -17+25 = 8
(1-18)+25-17+25=8<span>
</span>When you do addition and subtraction they are reversible so you just go left to right
7 0
3 years ago
B) Raj bought $3.63 worth of raisins.<br> What was the mass in grams? Give two<br> possible answers.
Romashka [77]

Answer:

how much is 1 gram of raisins worth in money

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Jamie needs 1/5 meter of ribbon to decorate the border of a photo frame. Enter the number of photo frames that can be decorated
charle [14.2K]

Answer:

<em><u>4</u></em><em><u> </u></em><em><u>photo</u></em><em><u> </u></em><em><u>frames</u></em><em><u> </u></em>

Step-by-step explanation:

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em>

8 0
3 years ago
Read 2 more answers
Use a model to divide 2÷1/3​
frutty [35]

6

.

.....

.

........

....ncncj

8 0
3 years ago
Hi I would really iike if someone helped me with this homework that I have I don't understand. an aquarium in the shape of a par
Radda [10]

170^3 this is the answer just make sure you do you're work.

7 0
3 years ago
Other questions:
  • In designing an experiment involving a treatment applied to 4 test subjects, researchers plan to use a simple random sample of 4
    5·1 answer
  • Properties of Parallelograms<br><br> find x.
    15·1 answer
  • Combine like terms to simplify the expression below 5y+8x-y+12x
    8·1 answer
  • Find the value of X
    10·1 answer
  • Find x. Round to the nearest tenth
    6·2 answers
  • Two angles are supplementary. The measure of one angle is 5 greater than 40% of the other. Find the measures of both angles.
    7·1 answer
  • Simplify the expression. (x-4 x² + 7) - (-5x² + 5x - 3)​
    5·2 answers
  • Function f approximately represents the trajectory of an airplane in an air show, where x is the horizontal distance of the flig
    9·1 answer
  • -2b(-7)=11<br> =============
    7·2 answers
  • if 405 is to be divided among three persons A, B, C in the ratio of 3:5:7, how much money does each one get? Express them in per
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!