Underwater noise is dangerous for orcas primarily because it can damage their sensitive hearing. Orcas rely heavily on their hearing for navigation, hunting, and communication. Excessive noise pollution from human activities can lead to temporary or permanent hearing loss, impairing their ability to su...
Water pollution(污染) also makes some leafy se a dragons die. If we wan them in the future, we must do something to help them.1. What does the underlined word “hide" mean in Chinese? A. 隐藏 B.保护 C. 避免 D. 捕食2. Which of the following is TRUE about leafy se a dragons?
Polluted air and steadily rising temperatures are linked to health effects ranging from increased heart attacks and strokes to the spread of infectious diseases and psychological trauma.
Some people think that robots are very important to human's future development, while others think they are dangerous and have negative effects on society. Discuss both views and give your opinion. Give reasons for your answer and include any relevant examples from your own knowledge or experience...
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Allthispollutioncanmakethewaterdangeroustodrink.(5)___Wemustdosomethingtostoppollution.It'sthebestwaytoprotectourworld'smostimportantnaturalresource(资源). A.Factoriesuseittomakegoods.B.Whyiswatersoimportantforhuman?C.However,thereislesswaterthanbefore.D.Itcanalsokillfishandotherwater-livinglives.E.Becau...
All the pollution can make the water dangerous to drink. 5.We must do something to stop pollution. It's the best way to protect our world's most important natural resource(资源).根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选项,使文章意思通顺、内容完整。 A. Factories use it ...
The first of these, known as “carbon removal” or “negative emissions technologies,” is something that scholars now largely agree we’ll need to do in order to avoid dangerous levels of warming (see “One man’s two-decade quest to suck greenhouse gas out of the sky”). Most n...
Why is the destruction of the ozone layer dangerous? How does groundwater cause chemical weathering of limestone? How does groundwater pollution affect the environment? Why is methane more important in lakes with eutrophication? Why are cathode ray tubes considered hazardous waste?
Why is burning coal a major source of pollution? Why is methane gas dangerous? Why would oxygen not be suitable in a light bulb? Why do earthquakes often cause damaging fires? Why is burning a chemical reaction? Why are carbon dioxide concentrations expected to increase?