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