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