What is Harmful and Useful?
Give 5 each example of Harmful and Useful Material
Useful
1)
2)
3)
4)
5)
Harmful
1)
2)
3)
4)
5)
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What is Harmful and Useful?
Give 5 each example of Harmful and Useful Material
Useful
1)
2)
3)
4)
5)
Harmful
1)
2)
3)
4)
5)
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Answer:
USEFUL:
ANYTHING THAT CAN BE HELPFUL
CLOTHES
SCHOOL SUPPLIES
MEDICAL SUPPLIES
FIRE EXTINGUISHER(IN CASE OF FIRE)
CONCRETE
HARMFUL:
ANY SHARP OBJECTS
CHEMICALS LIKE ACID
WIRES
HAZARDOUS WASTE
LEAD