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