Not protecting nature can cause soil erosion. What is the consequence? A. stronger soil B. soil erosion C. more fertile soil D. cleaner soil 相关知识点: 试题来源: 解析 B。不保护自然会导致土壤侵蚀。选项 A“stronger soil”更坚固的土壤不是后果。选项 B“soil erosion”土壤侵蚀,正确。选项 C...
A. It can improve the air quality. B. It can protect wild animals. C. It can cause soil erosion. D. It can increase the production of crops. 相关知识点: 试题来源: 解析 C。为了保护植物,我们应该避免砍伐太多树木。砍伐太多树木会导致土壤侵蚀。A 选项“可以改善空气质量”错误;B 选项“可以保...
What was the cause of soil erosion according to the passage? A A. Rabbits were introduced to the island,multiplying rapidly and digging holes. B. Parakeets, native to the island, died out because of humans' activities. C. The increasing number of cats led to more cats hunting the birds....
What is erosion(腐蚀)? Erosion is simply when soil is transported on the earth's surface from one location to another by a natural cause. This is easy to imagine. Picture a sandcastle on a beach. This sandcastle is particularly beautiful, the work of a whole long, hot summer afternoon....
First, we can plant more flowers and plants. It can purify air, carries on the photosynthesis, carbon dioxide into oxygen, trees can save a lot of ground water, prevent soil erosion, solid earth, also can withstand the sand. How important the trees are! We can think of environmental prote...
Slash-and-burnfarming is a process in which the natural vegetation is cut down and burned so that the land can then be cleared for cultivation. Though this doesn’t always cause erosion or loss of soil fertility at the onset, overuse and unsustainablecroprotations can leave the land completely...
A. Cause soil erosion. B. Absorb oxygen. C. Provide oxygen, absorb carbon dioxide and prevent soil erosion. D. Produce pollution. 相关知识点: 试题来源: 解析 C。解析:文章提到 Trees play a crucial role in maintaining the balance of the ecosystem by providing oxygen, absorbing carbon dioxide...
Soil erosion is the removal of the top layer of the soil due to some physical forces. Explore the causes, effects and prevention of soil erosion.
How does beach erosion happen? What causes coastal volcanic mountains? Where does coastal erosion occur? Which type of erosion can cause mudslides? What is the most common cause of erosion in deserts? How does beach erosion change the physical surface of a coastline? What are some factors invol...
Human generated sewage is a major cause for soil pollution. At the same time waste products such as plastics, glass, metals, Batteries, paper, fibres and rubber etc. add to the contamination as most of these are non-biodegradable. Much of the trash can be recycled such as paper, metal an...