E Trees 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 ...
Geologists also help us with other important things that we can use every day, like finding how to make electricity from the Earth. Geologists find information about earthquakes. The earth is made of rocks. These rocks are always moving. The rocks on the outside of the Earth are pushed ...
5 阅读理解 There are many theories about the beginning of drama in ancient Greece.The one most widely accepted today is based on the assumption that drama evolved(演化)from ceremony.The argument for this view goes as follows. -even the seasonal changes-as unpredictable and they sought through...
The prospect of discovering little green men on other planets has long captured our imaginations, but many scientists are just as excited about finding new life forms in our own backyard. Though humans have shared the planet with millions of other creatures for thousands of years, we know surpri...
C Planet Earth is about 4,500 million years old. Geology is about the Earth, how it was made,what it is made of and how it has changed over time.Geologists who work in geology study the history of our Word Bank geology地质学planet. They can also give us Richter scale里氏震级important...
When you’refacing a challenge, try to focus on the actual problem rather than how you feelabout it. Think about where and when it happened and what the causes are. Next,think up as many solutions to the problem as...
As time goes by ,man is making the earth sick . People cut down too many trees and leave rubbish everywhere .Factories let out their waste without doing anying to it.This has cause some serious problems .Such as,the land is sandy ,the river is dirty,the air is less clean,even the te...
Now, the county government on the river, river, etc. were dealt with earth-shaking. There are also many young volunteers who have joined in. Row of garbage, the hospital and some residents to do a series of education and so on. After this treatment, our "Mother River" has restored the...
–If you own a cat that goes outdoors, put a bell on its collar so that vulnerable wildlife can hear it coming and make their escape! 2. Reduce, reuse, recycle! We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK...
Science has proven that our planet and species are facing a massive environmental crisis. How to Save Our Planet is a call to action, guaranteed to equip everyone with the knowledge needed to make change.Be under no illusion the challenges of the twenty-first century are immense. We need to...