Answers

2015-06-24T12:29:34+05:30
1) our Palm feels cold when we put some perfume on it because particles of perfume absorb heat energy from our hands and evaporates causing cooling effect on our hands 2) a desert cooler cools better On a hot dry day Because evaporation is more on hot dry day as temperature is high and humidity level is low. Also evaporation leads to cooling
15 3 15