What is the main reason for practicing the 5Rs? A. To solve or prevent environmental problems B. To worsen the environmental problems C. To throw the garbage everywhere D. To pile more trash in the landfill
A. To solve or prevent environmental problems
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The ability of materials to conduct electricity.
conductivity
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. Drying fried fish under the sun(Physical or Chemical Change)
The ability of materials to be broken into pieces.
brittleness
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(Harmful or useful) expired medicine
Harmful
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The ability of materials to be hammered into sheets.
malleability
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26. Which explains why papers are used in writing? A. Papers are soft. B. Papers have the ability to dry up liquids like ink quickly. C. Papers are made of cellulose fibers that have absorbent property. D. Papers
Papers have the ability to dry up liquids like ink quickly.
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29. Why are water jugs made of plastics? A. Plastics are rust proof. B. Plastics are strong and absorbent. C. Plastics are shiny and water proof. D. Plastics are good conductors of heat.
C. Plastics are shiny and water proof.
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What will happen to uncollected waste? A. It can produce waste. B. It can cause pollution. C. It can produce plastic. D. It can cause garbage.