Answer:
Individual-level protective factors
Explanation:
Psychological resilience is the ability of the humans to recover very quickly from the difficult situation mentally and socially.
The traits shown by the resilient person are due to self-esteem, problem-solving skills, good health, self concept and many others which are considered individual-level protective factors as these factor help increase the well being of the individual.
Thus, individual-level protective factors are the correct answer.
Answer: The arteries (the aorta)
The answer to number 12 is mate.
Gravity is one reason but also it depends in the speed, if the wave is fast, it will go higher and then bend. hope i helped :D