human
Question: During science class, students combined 1 kg of iron filings with 1 kg of sand to create a mixture. Which of the following methods would be best for separating the iron filings from the sand?

Choices:
A) Stir the mixture into hot water to dissolve the sand.
B) Strain the mixture through a paper filter to collect the sand.
C) Drag a magnet through the mixture to attract the iron filings.
D) Shake the mixture to cause the iron filings to settle to the bottom.
gpt
The correct answer is 2: Drag a magnet through the mixture to attract the iron filings..