【判断题】Pollution can be defined as an undesirable change in the physical, chemical, or biological characteristics of the air, water, or land that can harmfully affect the health, survival, or activities of h...
【单选题】The fishing ban is regarded as a key move to stop the _____of biological resources and degradation of biodiversity in the Yangtze River, which has been damaged by overfishing and pollution.
【简答题】Air pollution occurs when harmful or excessive including gases, particles, and biological molecules are introduced into the Earth's atmosphere.(quantities of substances / quantities of smog)
【简答题】生活污水处理装置2: In the early 1970s. the only facilities for sewage management onboard ships were biological systems and holding tanks. Yet, by the end of the decade, anti-pollution rules had been forced an...
【简答题】Please translate the following English into Chinese. A program that focuses on the application of biological, chemical, and physical principles to the study of the physical environment and the solutio...