2. Some leaves can be used as collectibles.
3. It can be used as material for friends who like stickers.
It can produce oxygen through photosynthesis.
5. It can purify the dust in the air and purify the air.
6. It can stop sandstorms and strong winds.
6. Most of them have medicinal value and can cure diseases.
7. Buried underground after rotting or burning can be used as a source of nutrition for other plants.
8. It can be a nest for some creatures.
9. Air temperature and humidity can be adjusted.
10. It can set off the pride of flowers.
1 1. According to the shapes of some leaves, we can see the four seasons.
12. It will affect the climate and rainfall.
13. It can be used as clothes to keep out the cold and cover the body.
14. You can fold leaves into bowls and scoop water to drink.
15. Some can be steamed in food to make the food taste more delicious.