Why does the axis tilt of the world cause the seasons

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

In the diagram below, ab and bc are tangent to o. what is the measure of