The newest 15 of 15 written questions. Open one to see it on the real paper.
Suggest one method of storing water in the water treatment process.
See it on the paper →Suggest why water is filtered in the water treatment process doce
See it on the paper →Suggest how bacteria are killed in the water treatment process doce
See it on the paper →Salinisation also impacts ground water. The table shows the recommended use of water for different salt concentrations in the water. salt concentration in mg/dm? use <500 drinking and irrigation 500-1500 irrigation 1501-15000 livestock >15000 mining and industry The table shows data from 5 water sources, V, W, X, Y and...
See it on the paper →State two ways water is made safe to drink.
See it on the paper →State two reasons why people living in urban areas are more likely to have access to safe drinking water than people living in rural areas.
See it on the paper →Boiling is used to make water safe to drink. State one other method used to make water safe to drink.
See it on the paper →How water can be extracted from aquifers and made safe for drinking.
Good answers recognised that the addition of chlorine makes water safe to drink. Filtration and desalination are not sufficient to make water safe to drink as microbes would still be present after these processes.
— Examiner report, May/June 2025, 0680/22 Q3(d)(vii) (Cambridge)
The majority of candidates were able to name a suitable method of making water potable.
— Examiner report, October/November 2022, 0680/13 Q8(a)(iii) (Cambridge)
This question was generally handled well and a wide range of plausible reasons for water scarcity were given credit.
— Examiner report, October/November 2021, 0680/12 Q7(a)(i) (Cambridge)
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State one method that can be used to make water potable.
See it on the paper →Suggest reasons why there is water scarcity in the area shown on the map.
See it on the paper →Suggest reasons why some areas of Australia have no data available.
See it on the paper →People need a clean supply of safe drinking water (potable water). State two ways water can be made potable.
See it on the paper →Describe two ways a supply of safe drinking water could be provided to the area.
See it on the paper →Calculate the percentage increase in female life expectancy if there is a supply of safe drinking water.
See it on the paper →Suggest two reasons why some countries do not have sufficient access to safe drinking water.
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