Type the number

Exercise and reference answers

Questions

1. Answer

   32

   Question

   Height in km holding 99 per cent of atmospheric mass

2. Answer

   120

   Question

   Height in km where oxygen becomes negligible

3. Answer

   90

   Question

   Height in km up to which carbon dioxide is found

4. Answer

   13

   Question

   Average height of the troposphere in km

5. Answer

   165

   Question

   Metres of height per 1 degree C fall in the troposphere

6. Answer

   400

   Question

   Upper limit of the ionosphere in km

Instructions

Type the number only.

Explanation