ETrees are of great importance when it comes to maintaining topsoil and slowing down the wind speed. In many Asian countries, firewood is the chief fuel used for cooking and heating, which has caused uncontrolled clear- cutting of forests in dryland ecosystems. When too many trees are cut dow...
There are many ways to protect the Earth. First, I think we should not throw away rubbish everywhere. Rubbish should be thrown into the trash can. Second, we should plant more trees. Because trees can make the air clean and make the world beautiful. Trees can take in harmful gases and...
Passage 12Everyone knows how important trees are to the well-being of the earth. 1 By providing shade for people to enjoy time outside. trees can shade our homes to keep them cooler in the summertime. They can hide unsightly(不美观的) views, reduce noise from nearby roads. and serve as...
Institute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences, Peking University, Beijing 100871, ChinaHaitao YangInstitute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences, Peking University, Beijing 100871, ChinaYuling Chen...
It's our duty to protect ourenvironment. Where do we live? The earth. The earth is the only one place we live in. So you know how important the environment is. But now, some people are harming the environment, like cutting down trees, drawing pictures on public walls,litteringonto the...
Education has played an increasingly crucial role in modern society. We aim education on different levels at cultivating the to-be successors of our global village. One important goal that education is trying to achieve is help students...
Tea comes from the leaves of trees. We can also use some trees in Chinese medicine to fight against diseases. So we should try our best to protect trees and stop people from cutting down trees. Trees are our friends on the Earth. They are very important to us. 反馈 收藏 ...
How did scientists count ants in different areas? A. They counted the ants running on the ground. B. They picked leaves from trees and counted ants on them. C. They dried fallen leaves and earth to make ants come out. D. They made a fire on the fallen leaves to count the dead ...
Today things are different. The world has become too crowded. We are using up our natural resources,and polluting our environment with dangerous chemicals. If we continue to do this, human life on earth will not survive. We realize that if too many fish are taken from the sea, there...
there are still 3trn trees on Earth— 400 for every living person. Each year they absorb more carbon than is emitted by America and Britain combined. Trees populate humans’ landscapes and language: five of the 20 most common street ...