The four major rivers in Africa are the Nile, the Zambezi, the Congo, and the Niger. The Nile is one of the longest rivers in the world. The Zambezi...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
What are the 4 types of wetlands 4? Below are brief descriptions of the major types of wetlands found in the United States organized into four general categories: marshes, swamps, bogs, and fens. periodic or permanent shallow water, little or no peat deposition, and mineral soils. ...
根据第一段的“This means that as well as carrying seaweed and pieces of materials quickly out to sea, they can rapidly sweep away even the strongest swimmers. Around 80 percent of all lifeguard rescues are caused by powerful rip currents pulling a swimmer into danger.(这意味着,它们不仅能迅速...
Types of hydropower plants There are different types of hydropower plants depending on factors such as the availability of water resources, the scale of power generation required, and geographical conditions. Run-of-river hydropower plants They harness the constant flow of water from rivers or streams...
Mountains are large landforms that rise high above surrounding terrain and usually form sharp peaks. Most mountains are formed by the movement of Earth's tectonic plates, called tectonic activity. Tectonic plates are massive slabs of rock that are present under continents and oceans. When two tecto...
Researchers found that accumulations of mercury were very high and potentially detrimental to wildlife and human populations alike, as noted in the mercury levels in the livers and brains of otters in Arkansas' rivers. Today, the average person is unlikely to come into contact with cinnabar ...
What are the dominant ions in rivers? A. Na and sulfate (钠和硫酸盐) B. Potassium and chloride (钾和氯化盐) C. Ca and Hydrocarbonate (钙和碳酸氢盐) D. Mg andchloride (镁和氯化盐) 相关知识点: 试题来源: 解析 C 反馈 收藏
【题目】Chapter 1 What's the Weather Like?There are many different types of weather. It can, for instance, be sunny, rainy, cloudy or snowy. There are three things that make all these types of weather: air, water and the sun. The sun gives out heat. The air moves to make wind,...
Planet Earth is made up of four overlapping subsystems that contain all of world’s land masses, water sources, living organisms, and gases. These four subsystems are known as spheres. Geographers break down the Earth’s systems into four spheres that make up the world’s air (atmosphere),...
And we know that there're different types of soil in different places and that some soils are more fertile than others. But what is soil? And how's it formed? Well, we're going to go into this in some depth, but for now let's just lay down the basics. ...