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