Reva carried out an experiment, she took a watered potted plant and placed it on a sheet of glass and covered it with a bell jar. The edge of the bell jar is sealed with vaseline to make it airtight.The whole apparatus is then placed in a sunny place for an hour or two.After a couple of hours, she observed that the inner walls of the bell jar get accumulated with drops of moisture.What does this signify?

Reva carried out an experiment, she took a watered potted plant and pl

1.	Reva carried out an experiment, she took a watered potted plant and placed it on a sheet of glass and covered it with a bell jar. The edge of the bell jar is sealed with vaseline to make it airtight.The whole apparatus is then placed in a sunny place for an hour or two.After a couple of hours, she observed that the inner walls of the bell jar get accumulated with drops of moisture.What does this signify?
Answer» Reva carried out an experiment, she took a watered potted plant and placed it on a sheet of glass and covered it with a bell jar. The edge of the bell jar is sealed with vaseline to make it airtight.The whole apparatus is then placed in a sunny place for an hour or two.After a couple of hours, she observed that the inner walls of the bell jar get accumulated with drops of moisture.What does this signify?