Which of the following statements explains the cause for less variation in temperature over the sea? (A) Presence of ocean currents maintains a constant temperature. (B) Most of the seas are located near the poles. (C) Sea water gets heated slowly and loses heat slowly. (D) Presence of high atmospheric pressure contributes to less variation of temperature.

With reference to the Madden-Julian Oscillation (MJO), consider the following statements: I. It is an eastward-moving tropical disturbance rather than a stationary atmospheric trough. II. It is associated with alternating phases of enhanced and suppressed cloudiness, convection and rainfall. III. It generally operates within the tropical belt between 30°N and 30°S latitudes. IV. It can influence monsoon variability as well as tropical cyclone activity. Which of the statements given above are correct?

Which of the following correctly explains the formation of clouds in the atmosphere?