Answer:
There is no single "key" to a good essay, as different essays may have different goals, audiences, or requirements. However, some general principles that can help make an essay effective and well-written include having a clear and concise thesis statement, using evidence and examples to support your arguments, organizing your ideas in a logical and coherent manner, and using appropriate language and style for your audience and purpose. Additionally, proofreading and editing your work carefully can help ensure that your essay is free of errors and presents your ideas effectively.
Step-by-step explanation: