1. List the four main layers. 2. List the four minor layers. 3. Which two minor layers of parts of a main layer? 4Which layer is the most important to you and why?5 What two layers protect you?6 Which layer acts like a giant magnet? What does it attract? 7What does the air in the troposphere do as it heats up from the sun?8What cloud indicates the top of the troposphere? 9What runs along the top of the troposphere? 10What attaches itself to this jet stream and, in a sense, tells you where the stratosphere begins? 2007​