Question

The highest clouds are at about:
a. 1 km above the surface of the earth
b. 15 km above the surface of the earth
c.50 km above the surface of the earth d. d. d. hundreds of kilometres above the surface of the earth​

Answer 1

$Highest \: clouds \: are \: located \\ at \: altitudes \: of \: around \: \\  76 \: to \: 85 \: km  \: \\ (249,000 to 279,000 ft). \\ Here, \: the \: nearest \: \\ answer \: is \: 100 \: km. \\ so \: option \: d \: is \: correct$