When moisture is present in the atmosphere and temperatures are low enough, ice crystals will form and continue to combine with each other until the matter is heavy enough to actually fall to the ground.
Inside a cloud, tiny ice crystals latch onto very tiny particles of dirt or debris. When the matter is heavy enough, it falls.
Hope this helps you with understanding weather function.
There are many activities like Drawing and Painting that could lead to carrier change. Of course reading G.K. books or course books in the leisure time would help in some or the other way, but drawing, painting, cricket, football etc. can lead to a carrier change.
The answer is A. You are personally connecting to the story by stating an experience of yours.