Question

which is a type of clouds that creates a uniform, flat gray sky?
a. cirrus
b. stratus
c. cumulus
d. cumulonimbus

Explanation:

Cirrus clouds are thin and wispy. Cumulus clouds are fluffy and white. Cumulonimbus clouds are large and associated with thunderstorms. Stratus clouds form a uniform, flat layer, often creating a gray sky.

Answer:

B. Stratus