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 answer is- 2. "My child will have a poor appetite, which will lead to poor growth."
Explanation:
People with cystic fibrosis produce mucous in the lungs which results in difficulty in breathing and mucus is also produced in the pancreas which prevents the digestive enzyme release and causes improper digestion in patient.
Due to this poor growth and several disease like pneumonia occurs in patient despite healthy and good appetite. So appetite in the person who has cystic fibrosis is not affected therefore the statement "My child will have a poor appetite, which will lead to poor growth" should be correct.
Aerobic exercise like running, jogging, swimming and walking because all of these get your heart rate up.
Have a schedule, some kind of goal, some kind of reward along the way.
Answer:
It should be easy, I don't know how to really explain this but it think it's 33.2% divided by the other number or so, if this is wrong just search up a caculator.
Explanation: