Answer:
Ergonomic
Esther has been lifting tools all day, so most likely the repetitive movements or improper lifting caused her pain.
Answer:
frustration-aggression principle.
Explanation:
According to the frustration-aggression principle, frustration is responsible for creating anger and this anger leads to aggressive behavior. Frustration occurs when you are blocked by someone to achieve your particular goal and this frustration triggers aggression.
So will is frustrated after learning that he is not selected in the team which leads to aggression in him due to which he vandalized the team's locker room and broke several of the school's windows. So here his aggressive behavior can be best explained by the frustration-aggression principle.
C. You do not need to wear a life jacket in a boat
CLOSE YOUR EYES IN A DAR ROOM AND DONT THINK BOUT ANYTHING WHILE BEING WARM NOT HOT AND SWEATY
The answer is B ensure the player's airway is not obstructed.