Meteorology Quiz

What is the atmospheric layer closest to the Earth's surface called

What are the temperature variations like between the Earth's surface and the tropopause? Between the tropopause and the stratopause? Above the stratopause? (Note: No exact temperatures required, simply temperature trends)

In the troposphere, temperature decreases in correlation with altitude by how many degrees centigrade (Celsius) per 1,000 ft?

What three factors does the exact height of the tropopause depend on?

Which problems can result from flying at an altitude of up to 10,000 ft without oxygen? Between 10,000 and 16,000 ft? Above 16,000 ft? Above 23,000 ft?