These two charts show both cause and effect relationships. T-charts, for instance, compares one word and contrast the other. It can help graphically make decisions by comparing resulting advantages and disadvantages or explaining the strengths and weaknesses of a piece of writing. The same case goes to the use of a star chart. A star chart is a map of the night sky that astronomers use to divide into grids for comparison. It turns the night sky into a readable map that helps humans travel the world just by using the stars.
Answer: Down editing
Explanation:
Down editing is a method of replying emails which allows you to respond point by point to an email. It add certainty, precision and quality to your response and helps prevent misunderstanding of email response.
Im pretty sure the answer is 2.