Which of the following clouds are formed at lower heights?
With reference to Clouds, consider the following statements: 1. Cirrus clouds are formed at low altitudes. 2. Stratus clouds are layered clouds. 3. Nimbus Clouds are extremely dense and opaque to rays of sun. 4. Cumulus clouds exist in patches and can be seen scattered. Which of the above statement(s) is/are correct?
Which of the following clouds are present at higher altitude?