Using blue colored plates . I think ...
this question is incomplete but I have added The Answer options to your question
a) He does not have a hypothesis.
b) He only has one group. He has not established a comparison
c) He has not measured an outcome.
d) The groups were not equal to begin with.
Answer:
b) He only has one group. He has not established a comparison
Explanation:
A randomized controlled experiment can be defined as an experiment that has two groups which it randomly assigns participants to.
These two groups are:
1.) the experimental group and
2.) The controlled group on whom the study is being performed.
Now Alberti does not have any of these groups we have listed. He performed the testing on the same people before they consumed alcohol and after they consumed alcohol. Therefore this study was not comparative in nature.
Answer:
The correct option is B
Explanation:
Angina is described as pain in the chest and its described as pressure and squeezing pain. Followed with the fact that she started smoking very early with the increase in blood pressure and diabetes. So this will reduce the blood supply to the heart and cause pain. There would be narrowing of the blood vessels reducing blood flow.
1.a 2.c 3.d. 4.b 5.e 6.g 7.f 8.h 9.j 10.i
The correct answer is B, high rates of vaccination
