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