Endurance is the answer i think you're looking for.
Answer: it wants you to type in why you think the rates of deppresion have increased in your own opinion. so write why you think deppression rates have increased.
Explanation: simple read it.
C. it improves the ability to make a diagnosis
OK so based on the options given I would like to say that the answer is A. because if you think about it logically it is the only answer that makes sense.
True. Why? Because most people are eating fast food or junk food and not eating healthy or being nutritious and that can cause the vitamins such as vitamin C and vitamin A to decrease