Question

write a letter to your nephew telling him the importance of being prudent while using a smartphone​

Answer 1

Explanation:

SCIENCE REVISION

Q1 Name two non-metals used in fertilisers to enhance the growth of plants

Q2 Write any four characteristics of plastics

Q3What happens when metals react with oxygen?

Q4 Differentiate between rapid combustion and explosion

Q5 Which zone of candle is called the zone of complete combustion and why?