Write True or False and if false rewrite the correct statement:- 12. Effective advertising increases the demand for a product & liking for the

brand.

13. In stratosphere, clouds are almost absent and there is very little dust or

water vapour.

14. The envelope of air which surrouds the earth us called the atmosphere.

15. Fresh water is made available on land through the process of desalination.

16.Mohammed-bin-Tughluq was very successful as a reformer.