Section 1 - Our Biosphere

The ______ refers to atmospheric conditions of a particular location at a specific instant of time

______ is the average weather conditions in a region measured over a period of several years

The ______ is the narrow zone around earth that can support life

The ______ is the sky

The ______ is the water

The ______ is the land

All three parts of the biosphere include ______ and ______ components

An ______ is a reversal of the temperature change with altitude

Specific atmospheric ______ trap colder air closer to the ground

The atmosphere is consisted of four sections:

The ______: • from surface to 10 km • 15°C to -60°C (decreases with altitude) • contains 80% of the ______ gases • has the ______ living organisms

The ______: • from 10 km to 50 km • (-60°C) to 0°C • contains the ______ layer • 02 is oxygen and 03 is O-Zone • oxygen to O-Zone is created from ultraviolet radiation from the sun • O-Zone is bad for us to breathe • the conversion of 02 to 03 is an exothermic process this accounts for the temperature increase

The ______: • from 50 km to 80 km • 0°C to - 100°C • contains only traces of ______ vapour

The ______: • from 80 km to 300 km • (-100°C) to 1500°C • very little gas