1 . মাটির কলসিতে পানি ঠাণ্ডা থাকে কেন?
- A. Vessel does not allow the hot air to come
- B. Water coming out of the pores evaporates and takes heat from the water
- C. Cooled air passes through the pores of vessel
- D. It is not correct
View Answer | Discuss in Forum | Workspace | Report |