Question 20
Science of the tree (no. 18 - 20)
Have you been to a park or a forest before? Do you know, trees can be as high as 20 storey building? Trees may live for hundred of years and create a nice environment in the city park. They need water and mineral like other organism to grow.
Trees are important for human being and also for the existence of ecosystem. Would you write one example of how trees can be used by other organism so that this interaction gives benefit to human being.
Have you been to a park or a forest before? Do you know, trees can be as high as 20 storey building? Trees may live for hundred of years and create a nice environment in the city park. They need water and mineral like other organism to grow.
Trees are important for human being and also for the existence of ecosystem. Would you write one example of how trees can be used by other organism so that this interaction gives benefit to human being.