Students who participated in an optimism workshop: O

A. had fewer episodes of depression.

O

B. had fewer health problems.

O

C. All of these

O

D. had fewer episodes of anxiety.

C

Explanation:

Researches have shown that Optimism may lead to the advancement of a balanced lifestyle and proactive behavior, cognitive responses combined with improved resilience and problem solving abilities and a more successful processing of negative input will make a huge difference to mental and physical well-being.

So, Students who participated in an optimism workshop had fewer episodes of depression, fewer health problems and had fewer episodes of anxiety.So, the correct answer is C.

d) physical means can be used to separate the components of air.