Rey placed four different strips of materials into a basin of red-coloured water for ten minutes. He measured the height of the red-coloured water that traveled up each strip. Based on the results, which material is most suitable for making a raincoat?
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Worked Solution
Step 1: A raincoat must be made of a waterproof material. Step 2: A waterproof material does not absorb any water. Step 3: Material D shows a water height of 0 cm, meaning it is waterproof.
Correct answer: Material D
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