Question

केतन को एक साड़ी पर कितना मूल्य अंकित करना चाहिए जिसका मूल्य उसके लिए 3000 ₹ है और जिस पर 10%छूट देने पश्चात 20% का लाभ हो​

Answer 1

Answer:

Trees also cool the air by a process known as 'transpiration cooling'. As trees release water into the atmosphere from their leaves via transpiration, the surrounding air is cooled as water goes from liquid to a vapor. ... The water that is released in its gas vapor form has a cooling effect on the surrounding air.