Final answer:
Line charts are ideal for displaying gradual trends over time due to their clear representation and ability to handle multiple data points.
Explanation:
Line charts are the best types of charts for showing gradual trends over months or years. They display data points connected by a straight line and are effective for demonstrating change over time. Line charts can handle more categories and data points without becoming cluttered compared to other chart types.
Learn more about line charts here:
https://brainly.com/question/35910192
