Question

III. PRACTICE EXERCISES:
A. Mark check (v) if the material is opaque (blocks more light) and (x) if it is not

1. clay pot
2. wooden door
3. concrete wall /
4. sunglass
5. wine glass
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Answer 1

Answer:

1) Clay pot (No)

2)Wooden door (Yes)

3)Concrete wall(Yes)

4)Sunglass(No)

5)Wine glass (I don't know)

Hope this help you dear...