Answer:
It can reduce brain injuries.
Explanation:
This rule of wearing helmet is a good initiative taken by the commissioner of the national football league. these helmets reduce the risk of concussions because these helmets are made of good materials and able to protect the head of the players from brain injury. So avoid such type of injuries, the helmet should be used by the player which can absorb all the energy and protect the head of the player.
Answer:
The bombing was probably mentioned in the film because it was a recent tragic that took place, that could still be affecting the characters or the people around them.
Explanation:
Stars and planets is the correct answer
The answer is the sudden unexpected death of a loved one. In addition, Post-traumatic stress disorder or as called as (PTSD) is a mental health condition that is prompted by a frightening event in which either experiencing it or witnessing it. The indications may consist of flashbacks, hallucinations and severe anxiety and as well as irrepressible thoughts about the happening.
Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
