Multiple choice Which of the following best explains the word ‘cloud’? Densely accumulated mixture of gases in the atmosphere Visible mass of liquid droplets suspended in the atmosphere Suspended particles in air assemble together to form a white or black mass Gathering of various chemicals in air at one place for reacting with each other and releasing water Reveal answer Fill a bubble to check yourself B Correct answer Explanation Cloud is the visible mass of liquid droplets made of water and various chemicals suspended in the atmosphere above the surface of a planetary body.