list 4 factors that could potentially trigger a mental health problem.

1. Severe psychological trauma as a child (sexual, emotional, physical)

2. Early loss (like the loss of a caretakeer)

3. Neglect

4. Inability to relate to others

Explanation:

These for psychological factors can trigger a mental health problem

rivalry

explanation:

the answer is:

b) to show the progression of inventions that took place in the bicycling industry.

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