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