Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
Explanation:
Nosotros haremos el trabajo
Lunar tides are stronger than solar tides and they are caused by the moon and the placement of the sun .
one is a high tide and other is low tide
Answer:
5.Fan the victims body
1.get the victims out of the heat
3remove the sweat-saturated clothing
4cover the victim with cool damp sheets
2-call EMS