Which forms the nuclei for condensation of water vapours in the atmosphere?
Dust and smoke particles.
Define water cycle. Rearrange the steps of a water cycle to get the correct sequence. [3 MARKS] i. Water evaporates from the water reservoirs present on land. ii. Water exists in the form of water vapours in the atmosphere. iii. Condensation of the water droplets converts them into clouds. iv. Rainwater again flows into different forms of water reservoirs on land. v. When the clouds become big and heavy they fall down as rain. vi. Water vapours, due to cooling, form droplets using dust particles as nuclei.