Why is it difficult to get water when we're in a desert?相关知识点: 试题来源: 解析 Because deserts are very dry places with very little water. 沙漠气候干燥,降水量极少,蒸发量大,导致水源稀缺。此外,沙漠中的水主要以地下水形式存在,难以获取。因此,在沙漠中获取水非常困难。
Rocky desertification, also known as "the earth cancer," refers to land degradation where vegetation is destroyed, bedrock is exposed and the surface resembles a desert landscape. Local people would say, "Rocks come to light, no plants survive." In Guizhou, areas of rocky desertification are of...
Rocky desertification, also known as "the earth cancer," refers to land degradation where vegetation is destroyed, bedrock is exposed and the surface resembles a desert landscape. Local people would say, "Rocks come to light, no plants survive." In Guizhou, areas of rocky desertification are of...
It can turn an arid desert in to an oasis; convert a stream to white water rapids in the monsoon season, and breathe life into the harshest places on earth.它能把干旱的沙漠变成绿洲；在雨季把浅溪变成急流，给地球上最严酷的环境带来生命。So how do clouds form to keep giving us the essentia...
A. They have big eyes. B. They can eat dry food. C. They can get water from the plants. D. They don't need water at all. 相关知识点: 试题来源: 解析 B。解析:一些沙漠昆虫能够在不喝水的情况下生存,是因为它们可以吃干燥的食物来获取水分。它们有大眼睛、能从植物中获取水以及根本不需要水...
It gathers ever more water until it finally reaches Botswana, where the river becomes known as the Okavango. But here, the fate of the river is determined by a series of fault lines deep below the desert surface. Once the river passes over the first fault line, it splits into several ...
Rocky desertification, also known as "the earth cancer," refers to land degradation where vegetation is destroyed, bedrock is exposed and the surface resembles a desert landscape. Local people would say, "Rocks come to light, no plants survive." ...
Why desert plants have thick skins.Presents an activity program to help elementary school students investigate how some succulent plants retain water. Materials; Time needed; Transpiration process experienced by plants.Instructor-PrimaryVancleaveJanice...
Too many plants can make farmland become desert.23. How are new farming methods helping to stop the desert in Xinjiang? A. The methods let the farmers use less water B. The methods let farmers grow the same amount of crops in less land . C. The methods do not use fertilizers.第三...
Some desert lakes have the same salinity as seawater, but cannot serve as homes for marine fishes in culture. Why might this be so? A、The amount of dissolved salts is not the same. B、The water is too hot. C、The oxygen concentration is too low....