Answer:
its the second answer!
Step-by-step explanation:
Answer:
147/150
Step-by-step explanation:
Answer:
answer:
10 2000
1x200=
200
Step-by-step explanation:
hope that helps
Answer:
This was an observational study.
Step-by-step explanation:
Given is that parents of children completed a questionnaire on the child’s light exposure both at present and before the age of 2 years.
This was an observational study since there is no treatment or control group.
We know that treatment, control groups or treatment groups are not specific to randomized control experiments.
I don't understand what is writing but I think the answer could be (x+1)(x-5)
