A) When the material can be used in cooking. B) When the material gives other uses aside from its purpose. C) When the material can be used many times. D) When the material brings danger to people and environment.
A) When the material is still another use. B) When the material can be repaired. C) When the material served its primary use and can be discarded. D) When the material can be recovered and be used a fuel.
A) Decomposed by bacteria B) Melts by the sun C) Flattened D) Broken into pieces
A) rubber B) paper C) wood D) leaves
A) Used Paintbrush B) Drained Batteries C) Old Newspapers D) Empty Disinfectant Bottle
A) Empty Mayonnaise Jar B) Rubber Tires C) Drained Batteries D) Plastic Water Bottles
A) Sodium bicarbonate B) Sodium Chloride C) Vinegar D) Antibiotic
A) Penicillin B) Sodium Chloride C) Vinegar D) Mercury
A) Plastic straw B) Paper C) Plastic bottle D) Cleaner
A) Keep it your house B) Throw it into the river C) All of these D) Segregate it properly and recognize the useful and harmful materials
A) coffee B) fish sauce C) soda D) dishwashing liquid E) beer
A) Alcohol B) Butter C) Soap D) Dishwashing Liquid E) Bleach
A) gasoline B) insecticideinsecticide C) milk teasoy sauce D) muriatic acid E) fruit shake
A) gasoline B) toothpaste C) dishwashing liquid D) vinegar E) cooking oil
A) FALSE B) TRUE
A) TRUE B) FALSE
A) TRUE B) FALSE
A) TRUE B) FALSE
A) FALSE B) TRUE
A) TRUE B) FALSE |