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