1. Cirrocumulus
2. Nimbostratus
3. Cirrus
4. Altostratus
Select the correct answer using the codes given below.
Correct Answer: (d) 2, 4, 1, 3
Solution:The correct ascending sequence of clouds is 2,4,1,3. Nimbostratus clouds are lowest in height than, after Altostratus, than, Cirrocumulus and lastly Cirrus. These clouds are classified according their height and capacity of precipitation, density, colours etc.