Which statements below are correct? I. Man-made materials come from natural materials. II. Metal and plastic are man-made materials. III.Man-made materials are obtained through chemical processes. IV. Plastic is made from petroleum.A.I, II and III only B. I, II and IV onlyC. I, III and IV only D. II, III and IV only
•CII. Metal and plastic are man-made materials.II. Metal is a natural material and plastic is a man-made material.
Which of the following objects is made ofnatural material?A. RaincoatB. BalloonC. ContainerD. Straw
•BBalloon is made of rubber(natural material).
What are man-made materials?A. Materials that are reused.B. Materials that are produced through recycling.C. Materials make from animals, plants and rocks.D. Materials produced through chemical process.
•DMan-made materials madethrough the chemical process.
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