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