Respuesta :

I think the answer is Cirrus. They are flat feathery clouds that usually stretch long distances over the sky.
Stratus –layered or sheet like, low (50 - 6500 feet) Cumulus – puffy cotton balls, vertical development Nimbus – dark and rainy Cirrus – feather-like, high (20 000 feet) Alto – medium altitude (6500 - 20 000 feet)