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