In what ways can water be polluted? What measures should be taken to prevent the pollution of water?Pollution:Pollution is the change in the environment caused by natural or artificial input of harmful contaminants into the environment. It may cause instability, ...
根据“Polluted water可知是指污染的水对鱼有害。 do harm to“对 有害”,时态为一般现在时,主语是不可 数名词water,动词用三单形式。故填does harm to。 【小题2】句意:强风吹走了她的帽子,它落在了湖 里。 根据“it landed in the lake”可知是强风吹走了她 的帽子, blow away“吹走”,时态为...
3.Drink the water that has not been boiled. Many people think boiled water is safe and good to people's health.In fact,it is not true.The boiling point of water is 100℃.By boiling it,most bacteria in water can be killed.In the past,the water was less polluted,so boiling was a ...
(1)Man can only drink and use 3% of water on the earth. It comes from rivers and lakes. And some of the water is polluted, (2)因此我们不能全部利用它. Now more water is needed. The problem is: can we avoid (避免) a serious water shortage later on?(3)首先...
Imagine a little girl who knows there will not be enough food for dinner who can't fill her stomach with water because it^ polluted? and who has watched life slip away from her father little brother and sister because the family is too poor to see a doctor. Is it hard to believe? Fo...
Today, we can’t do so because our water is polluted due to pesticide spraying, affluents from industries, domestic sewage and other garbage. We are like the proverbial Bhasmasura who is destroying itself. Unless the common man and woman understand, write, talk and urge the Government to ...
Many people think boiled water is safe and good to people's health. In fact, it is not true. The boiling point of water is 100℃. By boiling it, most bacteria (细菌) in water can be killed. In the past, the water was less polluted. So boiling was a good way to make clean wate...
In fact, it is not true.T he boiling point of water is 100℃. By boili ng it, most bacteria(细菌) in water can be ki lled. In the past, the water was less polluted.So boiling was a good way to make clean wate r. But heavy metals and other dangerous thin gs in today's ...
Why is the coliform test used to assess the purity of drinking water? What is polluted water? What are the problems with the drinking water supply? Is municipal water safe to drink? Explain why water is the better choice over other beverages and how you can incorporate more water into your...
The cumulative parameters namely water quality index and comprehensive pollution index showed that the water quality of Balili River improved during COVID at 27鈥 40% but deteriorated again after COVID, though not as polluted as the pre-COVID state. The fecal coliform got worse during COVID ...