Question detail
What is the primary criterion for selecting fresh water sources to produce potable water in the UK?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using the Earth's resources and obtaining potable water
Question
- A. The water must be chemically pure
- B. The water must have low levels of dissolved salts and microbes
- C. The water must be sourced from the ocean
- D. The water must be heated before use
Answer
The correct option is The water must have low levels of dissolved salts and microbes. This answer is correct because it matches the approved learning objective to describe how fresh water sources are selected to produce potable water in the UK in the subtopic Potable water.
Explanation
The correct option is The water must have low levels of dissolved salts and microbes. The water must have low levels of dissolved salts and microbes is correct because it directly supports the approved learning objective to describe how fresh water sources are selected to produce potable water in the UK. This belongs to the subtopic Potable water within Using the Earth's resources and obtaining potable water, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Potable water.
Common mistake
Confusing Fresh Water Sources
Students often confuse the criteria for selecting fresh water sources for potable water production, thinking that all fresh water is suitable without considering contamination levels.
Emphasize the importance of assessing the quality and safety of fresh water sources, including checking for pollutants and ensuring they meet health standards before use.
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