Question detail

Which of the following factors influences the treatment process for potable water?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Using the Earth's resources and obtaining potable water

Question

A. The temperature of the water
B. The presence of dissolved salts and microbes
C. The color of the water
D. The location of the water source

Answer

The correct option is The presence of dissolved salts and microbes. This answer is correct because it matches the approved learning objective to explain why the treatment required depends on the available water source and local conditions in the subtopic Potable water.

Explanation

The correct option is The presence of dissolved salts and microbes. The presence of dissolved salts and microbes is correct because it directly supports the approved learning objective to explain why the treatment required depends on the available water source and local conditions. 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

Understanding Water Treatment Needs

Students often confuse the treatment methods required for different water sources, thinking they are the same regardless of local conditions.

Do not treat this as a general statement about water. Instead, answer by clearly linking the correction to explain why the treatment required depends on the available water source and local conditions in Potable water. This keeps the response inside Using the Earth's resources and obtaining potable water and prevents a vague or off-topic GCSE answer. The mistake to avoid is: students often confuse the treatment methods required for different water sources, thinking they are the same regardless of local conditions.

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