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