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3. Wood is lighter than metal and glass.
A. It is not as strong as metal. But it is much stronger than glass.
B. We use wood to make lots of things.
C. Chairs and tables are made from wood.
D. A metal is heavier than a wood.
4. Cloth is very light.
A. It is much lighter than wood. And it is very soft.
B. We use cloth to make lots of things. For example, it is used to make clothes and
blankets.
C. It is used as money
D. None of the above
5. Plastic is also very light.
A. It is different from cloth. Sometimes it is soft. And sometimes it is hard.
B. Plastic can be used to make thin plastic bags.
C. These are light, soft, and strong. But plastic can also be used to make bicycle helmets
D. All of the above​