Define system and explain why Earth can be thought of as a system

. EXPLAIN WHY EARTH’S EQUATORIAL REGIONS ARE NOT BECOMING WARMER, DESPITE THE FACT THAT THEY RECEIVE MORE INCOMING SOLAR RADIATION THAN THEY RADIATE BACK TO SPACE.

Hundreds of cars stranded on Chicago’s Lake Shore Drive on February 2, 2011, following
a winter blizzard of historic proportions. (AP Photo/ Kiichiro Sato)
After completing this chapter, you should be able to:
 Distinguish between weather and climate and name the basic elements of weather and climate.
 List several important atmospheric hazards and identify those that are storm related.
Hundreds of cars stranded on Chicago’s Lake Shore Drive on February 2, 2011, following
a winter blizzard of historic proportions. (AP Photo/ Kiichiro Sato)
After completing this chapter, you should be able to:
 Distinguish between weather and climate and name the basic elements of weather and climate.
 List several important atmospheric hazards and identify those that are storm related.
 Construct a hypothesis and distinguish between a scientific hypothesis and a scientific
theory.
 List and describe Earth’s four major spheres.
 Define system and explain why Earth can be thought of as a system.
List the major gases composing Earth’s atmosphere and identify those components that are most
important meteorologically.
Explain why ozone depletion is a significant global issue.
Interpret a graph that shows changes in air pressure from Earth’s surface to the top of the atmosphere.
Sketch and label a graph showing the thermal structure of the atmosphere.
Distinguish between homosphere and heterosphere.