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