A person living in shimla observd that cooking without using pressure cooker takes more time. The reason for this observation is that at high altitude

A person living in shimla observed that cooking without using pressure cooker takes more time. The reason for this observation is that at high altitude

A person living in Shimla observed that cooker takes more time. The reason for this observation is that at high altitude :

A pressure cooker reduces cooking time because :

A pressure cooker reduces cooking time because

A pressure cooker reduces cooking time because

A pressure cooker reduces cooking time because