layers of the atmosphere

contains the ozone layer

the middle layer of the atmosphere, most meteroids burn up here

outermost layer of the atmosphere, nitrogen and oxygen molecules convert solar energy into heat

2 layers of the thermosphere

radio waves bounce off these ions and bounce back to earth's surface

satellites orbit in this, phone calls and tv pictures reach you by communications satellites in ____________

________ is the condition of air around us

earth is surrounded by a blanket of air called the ______________

about 3/4 of the atmosphere is ________________

almost 1/4 is _________

earth's atmosphere is held in place by ______

there is no exact place where earth's atmosphere ends it just gets _________ and _______________