Whenever I feel depressed - is an adjectival subordinate clause.
Answer:
D
Explanation:
Its D because a topic sentence sums up what the paragraph is going to be about.
Chapter 4 obviously
Well for me it includes the skill you will apply on the game Golf..The Art of right swinging of the bat.
The correct option is C, Essential.
The definition of core is the central or most important part of something or something therefore considered necessary.
The definition of essential is something absolutely necessary; extremely important. Therefore the closest synonym to core is essential :)