4. Classify the following as transparent, translucent or opaque:
dean water, brown paper, waxed paper, an aluminium plate, a thin muslin cloth, a cleay plastic
ruler, wood, skin, a stone, dense smoke, a heap of salt, spectacles, blood and milk.
3. Explain how you would make a pinhole camera and what you would observe.
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Answer:
good you'd to is si odours risk doc