题目 【题目】1.What is the pereentage (百分比)of water on the earth ?2. How many oceans are there in the world? 答案 【解析】1.70%0-75%0 2. Four oceans 相关推荐 1【题目】1.What is the pereentage (百分比)of water on the earth ?2. How many oceans are there in the world?反馈...
百度试题 结果1 题目1. What is the percentage (百分比) of water on the earth?2. How many oceans are there in the world? 相关知识点: 试题来源: 解析 1.70%-7.5%=0(cm^2)优质解答 反馈 收藏
解析 A. 1% of the world's water. 地球上的水资源主要为海水,占总水量的97%。淡水资源仅占3%,其中大部分以冰川和地下水形式存在,人类可以直接利用的淡水资源非常少。因此,人类可以直接利用的水资源比例远小于3%,选项A(1% of the world's water)最接近实际情况。
百度试题 结果1 题目1. What is the percentage (百分比) of water on the earth?2. How many oceans are there in the world? 相关知识点: 试题来源: 解析 ∵∠1=∠1 反馈 收藏
解析 A. 1% of the world's water. 地球上的水资源主要分为淡水和咸水,其中淡水仅占地球总水量的3%。然而,大部分淡水以冰川和永久雪被的形式存在,难以直接利用。因此,人类可以直接使用的淡水资源仅占地球总水量的约1%。 所以答案为 A. 1% of the world's water....
What is the percentage of water and land on Earth? 71% of Earth is water while 29% is land. Both will serve, depending upon your need and aim. The interesting thing is that the percentage of water on Earth does not include only the obvious sources of water, like oceans and lakes, bu...
Do you know how much of the earth is covered by water? All life on the planet needs water. But some water on our planet is not clean. In order to keep water clean, we mustn't throw rubbish into the seas, rivers, or lakes. We can also use special machines to clean water. Then...
A. 1% of the world's water.B. 2% of the world's water.C. 70% of the world's water.D. 97% of the world's water. 相关知识点: 试题来源: 解析 A 地球上的水资源中,绝大部分是人类无法直接利用的咸水。剩余的淡水中,大部分以冰川和冰盖的形式存在,难以直接利用。因此,人类可以直接利用的淡水...
There is___wather on the earth.地球上有很多水How much water is there on earth?地球上有多少水?
Oceans cover about 70 percent of the planet, and the average depth of the ocean is around 12,100 feet (3,688 meters). B. Tanaka / Getty Images There's a whole lot of water on this planet! How much water is on Earth, exactly? Well, you can find something like 326,000,000,000...