根据第二段最后两句 "Normal rainwater has a PH of 5.6.When the PH level of rainwater goes below 5.6.it is considered acid rain. (正常的雨水PH值为5.6。当雨水PH值低于5.6时。它被认为是酸雨。)" 可知,正常的雨水PH值为5.6,当雨水的PH值低干5.6时,我们称之为酸雨,故选C。 (4)C.主旨大意题。
根据第一段中“Acid rain affects life in the water as well as life on the land. It is even worse in the water because the fish need the water to breathe. When the water gets polluted, the fish get sick and end up dying.(酸雨不仅影响陆地上的生命,也影响水中的生命。在水里情况更糟,...
Define acid-forming. acid-forming synonyms, acid-forming pronunciation, acid-forming translation, English dictionary definition of acid-forming. adj 1. yielding an acid when dissolved in water or having an oxide that forms an acid in water; acidic 2. pro
Define acid-fast. acid-fast synonyms, acid-fast pronunciation, acid-fast translation, English dictionary definition of acid-fast. adj. Not decolorized by acid after staining, as bacteria that retain dye after an acid rinse. ac′id-fast′ness n. American
300.7 Na+,NH4+,K+,Mg2+,Ca2+ Wet deposition (rain, snow, dew, sleet, hail) A-1000 Cl−,SO42− Drinking water B-1012 NO2−,NO3− Wastewater ASTMc D4327 F−,Cl−,NO2−,Br−,NO3−,HPO42−,SO42− Drinking water and wastewater D4856 H2SO4 Workplace air samples...
The Acid Rain Pain With scientists and so-called "experts" on the environment disagreeing on so many issues, it is easy for the public to be lost in the fray of what is truth and what is media hype. Though the term "acid rain" has been present in our society since the early... ...
They also think that rain water in an unpolluted area is neutral or the solution formed after adding an acid and a base is always neutral (Banerjee 1991; Hoe and Subramaniam 2016; Scerri 2019; Schmidt 1991). As Quílez (2019) points out, many of these misunderstandings come from students...
Yates, C.M.; Calder, P.C.; Ed Rainger, G. Pharmacology and therapeutics of omega-3 polyunsaturated fatty acids in chronic inflammatory disease. Pharmacol. Ther. 2014, 141, 272–282. [Google Scholar] [CrossRef] Calder, P.C. Omega-3 polyunsaturated fatty acids and inflammatory processes: ...
Define acid poisoning. acid poisoning synonyms, acid poisoning pronunciation, acid poisoning translation, English dictionary definition of acid poisoning. n. 1. A substance that causes injury, illness, or death, especially by chemical means. 2. Something
The weathering of rocks converts arsenic sulfides into arsenic trioxide, which enters the arsenic cycle as dust or by dissolution in rain, rivers, or groundwater, thus entering the food chain (e.g., arsenic may be abundant in certain seafoods). The form and concentration of arsenic depend ...