The excerpts are quite different and can be classified into persuasive, narrative and expository.
"Fossils are ancient plants or animals that have been "pressed" into rocks or tree sap. This process takes a long time, sometimes thousands of years. Fossils can be found in dry, rocky deserts. They can also be found in tropical rain forests that are covered in thick mist. Some types of fossilized plants and animals are extinct." It´s expository because this paragraph gives you a detailed information about fossils.
"However, there are people who care! You can be one of them. Join with them and help preserve the beauty of our world. Enjoy a new and creative program that allows you to experience a working vacation in the Grampians National Park of Australia. The new Improve Nature program offers you the unique opportunity to work with a park ranger and participate in local environmental projects. " It´s persuasive because this paragraph tries to get you impressed by the park and persuades you to visit it.
"During lunch, I pulled out a map of the state fair, and shared it with my friends. "I vote for visiting the animal barn next, "Kelly said. "I've got a friend who is showing chickens this year. "Dave rolled his eyes. "You can check out the chickens. I’m going to the X-treme Quad roller coaster over in the amusement park. "We all had different ideas of what we wanted to do, so we decided to go our separate ways and then meet back at the food hall before the concert. " It´s narrative because it is about the narration of a story.
