to high temperature B. Direction: Read each question carefully and choose the letter of the correct answer 6. Cutting a piece of cloth to make a handkerchief is to one's environment. A harmful B. unsafe C. useful D hurtful 7. Burning of plastics and non-biodegradable materials is to one's environment A harmful B. healthy C. useful D. good 8. Farmers use chemical fertilizer to increase their harvest. What are the harmful effects of this when improperly used? A. It pollutes water, air, and soil C. It destroys the plants B. It gives abundant harvest D. It gives more income to the farmer 9. LPG, Kerosene, dishwashing liquid, and stain remover are useful substances. How can you prevent the harmful effect of it? A. Keep it properly C. Leave where can reach these B. Do not use it D. None of the above Chemical substances that are left over from making products such as soap, detergent, hair spray and ed goods. What are you going to do with these harmful materials? A. Buried into the soil C. Leave it anywhere at home B. Throw into the bodies of water D. All of the above


please answer i need to now
grade 5
i need this cuz i need to help my brother younger please help me guys​