B. 1 percent. C. 75 percent. D. 0.025 percent. 相关知识点: 试题来源: 解析 D 解析:数字计算题。根据第一段中“Only 2.5 percent of the water on the Earth is fresh water,and less than 1 percent of that is usable and renewable.”可知,D项数字正确。 答案:D反馈 收藏 ...
What percentage of Earth's freshwater is frozen in the cryosphere? Freshwater: Freshwater is the kind of water terrestrial plants and animals need to survive. It has less than 1,000 parts per million (ppm) of salt in it. So freshwater does not mean it has no salt but it has a very ...
Water is the one thing that sets Earth apart from other planets in the solar system. Scientists believe that Mars and Venus may once have had water, and may still have some underground water. Earth is the only planet that has a large amount of surface water....
All we’d have to do to make use of the vast amount of sea-water is—remove the salt. This salt-removing process is already in use in many parts of the world. What percentage of the earth’s water can man actually use at present ...
What is the purpose of the passage? A. To tell the situation of fresh water on the Earth. B. To ask people to save water. C. To introduce different kinds of water on the Earth. D. To talk about the pollution on the Earth.
1with?What percentage of water on Earth can we use A. About 99%. B. About 70% C. More than 30%. D. Loss than 1%.()2. What does Paragraoh 3 mainly talk about? A. Why we don't have enough water to use. B. How many people are living on Earth. X C. What we can't do...
题目The world is in great need of fresh water.About 97% of water on Earth is salt water.Man can only drink or use the rest which comes from rivers,lakes and the underground.The number of people in the world is becoming larger and larger,so we need more and more...
百度试题 结果1 题目 .htneah? D There would be less fresh water on the earth A C. hy o ll? B. What happens to animals during a hurricane D Aals mght ace srus thrats 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
()5. There is less and less fresh water on the earth.to. waste water!A. What a surpriseB. Good jobC. What a shameD. What an excitement 答案 5.C相关推荐 1()5. There is less and less fresh water on the earth.to. waste water!A. What a surpriseB. Good jobC. What a shameD....
The speed of growth depends on the type of bamboo, the earth and the season. Normal bamboo grows 3—10 cm a day. It usually grows in tropical (热带的) areas. 3 Bamboo plants are found in Asia, Australia, parts of Africa, and South America. One of the world’s oldest building ...