Quick sky picks

Exercise and reference answers

Questions

1. Question

   The lowermost layer

   Choices

   1. Troposphere
   2. Exosphere
   3. Mesosphere

   Correct choice

   Troposphere

2. Question

   Home of the ozone layer

   Choices

   1. Troposphere
   2. Stratosphere
   3. Ionosphere

   Correct choice

   Stratosphere

3. Question

   The highest layer of all

   Choices

   1. Mesosphere
   2. Stratosphere
   3. Exosphere

   Correct choice

   Exosphere

4. Question

   Reflects radio waves to earth

   Choices

   1. Ionosphere
   2. Troposphere
   3. Ozone layer

   Correct choice

   Ionosphere

Instructions

Pick the right answer before the next one arrives.

Explanation