Help...
The track-and-field coach wants to know whether the students in the entire school prefer track races or field events. The coach draws a random sample from the following groups:
- All students in each grade
- All teachers in the school
- All boys in each grade in the school
- All students on the track-and-field team
Which group best represents the population she should take a random sample from to get the best results for her survey?
Answer:
the second one is the answer
Answer:
Emphysema
Explanation:
it breaks down the lungs over time making it harder and harder to breathe.
If I understand your question correctly then it should be without dressing.Hope it helps a bit :).
- prenancy
- prolonged bed rest
- heart problems
