Use the link below to search for the answers. I have the coldest temperature of the atmosphere. I am where most of the weather occurs. I contain most of the ozone layer.
Artificial satellites orbit the earth here.
I am where radio waves are bounced back to the earth's surface. I extend to an average altitude of about 12 km. My temperature may reach as high as 2000 degrees celsius. I am the layer that touches the surface of the earth. I am the layer that reaches the highest altitude.