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Danny, Jenny and Brian are walking in a forest.
Jenny: I love this forest. There are so many trees and plants. The air is always clean and fresh.
Brian: Yes. Trees and other plants help clean the air.
Jenny: That's true. It's pleasant to walk in the forest. When the weather is sunny and hot, you can sit in the shade under a tree. It's nice and cool.
Danny: I'm hungry! Maybe I can eat a plant!
Brian: Sure, Danny! Look, there is an apple tree over there!
Danny: Is there a donut tree?
Brian: Donuts don't grow on trees!
Jenny: Trees and other plants are important to  people. They help us fulfill our basic needs.
Brian: That's for sure. People use trees and other plants in many ways. The trees and plants take energy from the sun and turn it into food. Medicine and clothing are also made from trees and plants.
Jenny: The forest is important to animals, too. Many  animals live in the forest and eat the fruit from the trees. They eat other plants, too.
Brian: And plants cover the soil. That way, the wind and water don't carry the soil away. Plants also make everything look beautiful.
Danny: In a word, we can't live without plants!