7.What do you call the application of heat to milk to destroy pathogenic microorganisms with minimum injury to the substance? A. Pasteurization B. Sterilization C. Filtration D.segregation 8. Which of the following sentences talks about clean water and air? A Backyard piggenes flush out the pigs' waste to the river. B. Hairstylists use aerosol sprays during make-up and hair-do sessions on fiesta celebrations C. Planting more trees are highly encouraged in schools and government agencies D. Gulayan sa Paaralan is very much needed 9. Which of the statements below show ways to control noise pollution? A. At the disco party, people dance to deafening music B. A police car switched on the siren while chasing the criminal C. A brand-new motorcycle has a tight silencer in its exhaust that produces a soft engine sound D. Young people gather at the street shouting 10. Which of the following activities is NOT a solution to reduce noise pollution? A. Increase workplace noise B. Avoid very noisy leisure activities C. Fines for exceeding noise limits, etc
