Water is an indispensable resource and is the basis of all forms of life processes on earth. Its importance cannot be overemphasized as it is a key input in food production, which is essential for growth and metabolic processes and a major component of blood, which serves as the transport ...
A. It makes them grow faster. B. It has no effect on them. C. It makes it difficult for them to survive. D. It makes them more colorful. 相关知识点: 试题来源: 解析 C。解析:文中提到水污染会伤害水生生物,使鱼类和其他生物难以生存。反馈...
Water is one of the most utilized natural resources by humans, animals, and plants for survival. On this regard, pollution of water threatens the survival of humans, animals, and plants. Aquatic life is even more threatened when the waters are polluted. The consequences can be disastrous depend...
6) health effects of chromium pollution 铬污染对健康的影响补充资料:水污染对健康的影响 未经处理或处理不当的工业废水和生活污水排入水体,数量超过水体自净能力,就会造成水体污染,直接或间接危害人体健康。 水是重要环境因素之一,也是人体的重要组成成分。成年人体内含水量约占体重的65%,每人每日生理需水量约2～3...
Water wasn’t always this dirty. For the past 30 years, we have been experiencing the harsh effects of water pollution, which continues to get worse. Water pollution has a negative long term effect on aquatic life, humans, and our environment. The effects of water pollution on one of these...
Pollution control is a continuing problem for the government. Another great source of water pollution is poisonous chemicals. Hong Kong once prided herself on being the “Fragrant Harbor”. Residents depend on the government to take measures to solve questions.The water pollution in Hong Kong ...
Wastewater is sometimes cleaned and used for watering plants. But even then, it’s not always made completely clean.Water treatment doesn’t always get rid of everything harmful. Traces of chemicals may beharmful to cropsonce they find their way to the soil when the wastewater isn’t properly...
Water pollution is also an increasing problem, caused by an unsustainable demand for fresh water, agricultural runoff and the leakage of hazardous chemicals into rivers and oceans. Soil pollution has dire consequences too, releasing compounds like arsenic and lead into the food chain. Climate change...
Ecological Effects of Waste Water: Applied limnology and pollutant effects, Second Edition This substantially revised and update edition of a work first published in 1980 in the USA and deals with the ecological effects of water pollution. It is the result of twenty years of teaching the subject...
A. Make the water cleaner. B. Increase the amount of water. C. Contaminate water sources and make the water unfit for drinking and aquatic life. D. Have no E. ffect on water sources. 相关知识点: 试题来源: 解析 C。解析:文中提到 It can contaminate water sources, making the water unf...