Answer:
Essay.
Explanation:
The title 'The Growing Need for Social Skills' suggests that it is an essay.
An essay can be defined as a piece of writing that involves opinion of the author, explanation of certain idea, etc. There are four types of essay, expository, descriptive, narrative, and persuasive.
The title suggests that it must be an expository essay, explaining the growing need for social skills.
Therefore, essay is correct answer.
