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