The ability of materials to be broken into pieces.
brittleness
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
The ability of materials to conduct electricity.
conductivity
Why is it important to use the 5Rs technique? A. It can harm living things. B. It can produce more waste. C. It can pollute the environment. D. It can lessen the wastes every day.
D. It can lessen the wastes every day.
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.
B. It can cause pollution.
. Drying fried fish under the sun(Physical or Chemical Change)
The ability of materials to be hammered into sheets.
malleability
30. Why is wood an ideal material for building houses and furnitures? It is ______________. A. synthetic B. nonmetallic C. biodegradable D. rigid and tough
D. rigid and tough
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.
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.
Burning of paper(Physical or Chemical Change)
chemical change
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