1.The atmospheric temperature in baguio City is 20°C.How does sound travel in the air?

2.What is the temperature of air if the speed of sound is 348.40 m/s?

3.Why would you hear the siren sound of fire truck clearly in a nearby barangay during nighttime than daytime?

4.Why is it quieter in areas with high elevation​ such as tagaytay and baguio than lowlands?

5.Give practical​ applications of the reflection of sound waves.
(Help me please nonsense report)​