Clouds are classified according to 3 criteria
- do they make precipitation
Cirrus - Thin, featherlike clouds. high in atmosphere.
Stratus - Flat
Nimbostratus - Dark, Towering cloud that are also called " Thunderheads "
Since i came to school on the first day. I didn't have any friends. But i can adapt to friends very fast. Now i have many friends and they can give me good advice.