Question

Q6. The highest cloud in atmosphere
are
A. Cirrocumulus
B. Cirrus
C. Cirrostratus
D. All of these​

Answer 1

Answer:

Noctilucent cloud

Noctilucent clouds, or night shining clouds, are tenuous cloud-like phenomena in the upper atmosphere of Earth. ...

They are the highest clouds in Earth's atmosphere, located in the mesosphere at altitudes of around 76 to 85 km (249,000 to 279,000 ft).

The different types of clouds are cumulus, cirrus, stratus and nimbus