The book Science for the Fifth Grade With Experiments was written by author Percy Elliott Rowell Here you can read free online of Science for the Fifth Grade With Experiments book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Science for the Fifth Grade With Experiments a good or bad book?
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Then write its name and description in the place on the right hand page where there is the most room. 48. *Trees, The value of trees to man is very great. We have learned that trees take in carbon dioxide and give out oxygen. This is of more importance in our cities than in the open country for there are many fires in houses and factories, all of which are producing vast quantities of carbon dioxide. Although the wind blows part of this away and the rain washes some of it into the ground, yet i...t is most important that we have as many trees as possible in our cities. Trees, as well as all other plants, give off a huge amount of water by transpiration and change the climate of a locality very much. See Sec- tion 40. Trees also reduce the violence of winds. Filial^ ly, trees are beautiful. While trees are of very great value in cities thev are of still greater value to the nation in whose forests they grow. When rain falls upon bare ground most of it runs off, wearing the soil away and doing no good.
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