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