The answer to this question is C. Spiritual health
The spiritual health dimension focused on doing all your actions based on the 'greater goods'. Completing this dimension will improve your wellness because it often gives your life a purpose/motivation that will give you more sense of fulfillment when you manage to finish your goals
B. The boiling point would be lower; water boils at lower temperatures at high altitudes.
The answer to the question is c) a dendrochronologist interprets tree rings