I believe the answer is: Wisdom
Wisdom influences our ability to use the knowledge that we have in order to make a good judgment.
As we got older, our brain's function will deteriorate. But, older people tend to accumulate more experience compared to the younger ones. Those experiences will provide older people with knowledge that might not be known by younger people. They could use it as a core strength to make better judgments than younger people.
The precipitation in India year round depends on the weather in different months
People might be able to solve coal mining from harming habitats maybe by finding a new way to run trains instead of coal. or by mining for coal less.
I assume that the context is story-telling and the high point refers to the high point of the story, or the one moment in which the decision is made that will influence the rest of the story: this is called climax (answer a).
The conflict might happen before the climax, and lead to it.
