Question

at Dawn , in winter , we see dewdrops on leaves of trees

Answer 1

this is called condensation

Answer 2

In winter we have colder weather, sometimes snow and frost, the trees have no leaves and the amount of time it is light during the day is at its shortest. In spring the weather usually turns warmer, trees begin to grow their leaves, plants start to flower and young animals such as chicks and lambs are born.