Answer:
Title 1: Make Kids Fall in Love with Kale
Purpose: To make efforts so that Kale will be loved by kids
Title 2: The Lemon Tree Versus the Wise Grasshopper
Purpose: To tell a story about two opposing forces
Title 3: You Need to Visit National Parks More Often
Purpose: To give reasons why people should visit National Parks
Title 4: 30 Facts About the Whitsunday Islands in Australia
Purpose: To educate people about the Whitsunday Islands
Explanation:
Title 1: From the title, it's obvious the theme will be mostly about getting Kale to be loved by kids
Title 2: The title suggests it has to do with two opposing forces, reason why there is a "versus" there as it identifies conflict or a face-off
Title 3: It is obvious that it will give reasons why persons should visit the National Park.
Title 4: The title suggests it will educate readers about the place by giving 30 Facts about the place.
