The leading cause of death in young people that live in the US is suicide.
Why post the question if you know the answers?
Oh if you didn't know the answers are already in the correct order
Answer: observational study
Explanation:
The observational studies are those studies where the researchers observes the samples or individuals of research without any intervention or manipulation.
In epidemiology, and nutritional studies the researcher observes the risk factors associated with the disease, diagnosis and treatment. The effect of a diet on the patient or volunteers can be done through observational studies.
Description An eccentric contraction is the motion of an active muscle while it is lengthening under load. Eccentric training is repetitively doing eccentric muscle contractions.
Depiction A whimsical constriction is the movement of a functioning muscle while it is stretching under burden. Offbeat preparing is monotonously doing erratic muscle withdrawals.