deepuwalia758 Asked: December 2022 explain in what way noise pollution is harmful to human 63a57e75402d7
deepuwalia758 Asked: December 2022 explain the formation of petroleumiidescribe how coal is formed from dead vegetation
deepuwalia758 Asked: December 2022 explain why a charged balloon is repelled by another charged balloon whereas an unchanged balloon is attracted by another charged balloon
deepuwalia758 Asked: December 2022 Give reasons for the following :-i)Aluminium foils are used to wrap food itemsii)Immersion rods for heating liquids are made of metallic substances.iii) Copper
deepuwalia758 Asked: December 2022 what is the difference between noise and music can music become noise sometimes 63a56d5389c19
deepuwalia758 Asked: December 2022 it is difficult to burn a heap of green leaves but dry leaves catch fire easily expalain
deepuwalia758 Asked: December 2022 list conditions under which combustion can take place 63a5684791ba4