Why do teens mostly commit suicide?

Is it considered muscles' ennervation if the sympathetic fibers innervate vessels within the muscle ? (vasomotricity)

According to positive psychologists, an individual’s subjective well-being consists of one’s and a. overall level of happiness . . life satisfaction b. goal accomplishments . . money earned c. idea of self-importance . . social acceptance d. level of self-esteem . . pride sorry am i just not getting it or is this worded confusingly xd

What economic effects might result from the depletion of groundwater supplies from the ogallala aquifer? need to know asap