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.
Because the words that come out of your mouth pretty much say everything about you, and to use personal communication in a professional enviroment would make you look unprofessional.
Answer:
1) soak the burned skin in cool water forat least 5 min
2)Cover the burn with a sterile bandage or clean cloth and protect it from pressure and friction.
3) over the counter pain meds reduce inflammation,swelling, and helps reduce pain
4) change sterile bandages regularly
hope this helps!
Answer:
School is real stressful, bro. It makes me want to eat bread without butter, which is sad. In that case, we should have more time off from school, like 6 months. It would butter my bread if you know what I'm saying. Plus, it would benefit many other people, even teachers.
Explanation:
