Question
What is the estimated height of the stratosphere, a
layer of the Earth's atmosphere above the troposphere?Solution
The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer. The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high.
45, ?, 84, 114, 151, 195
14, 20, 29, 44, 65, ?
28, 43, 73, 118, ?, 253
8, 15, 44, 175, 874, ?
16, 9, ?, 114.25, 750.625, 6396.3125
150 - 10 × ( 7 - 2)/4 × 8 = ?
...250, 279, 311, 349, 396, ?
What will come in place of the question mark (?) in the following series?
112, 116, 121, ?, 134, 142
18, 35, 68, 117, ?, 263Â
100 180 294 448 648 ?