Question

What is the upper limit of the Ionosphere?

Answer 1

Determine the unit which is used for the area under a velocity-time graph.

1. The ionosphere lies between $80$and $400$kilometers above the mesopause.
2. It is composed of electrical charges known as ions, which is why it is called the ionosphere.

Hence, the ionosphere is the ionized upper atmosphere of the Earth, ranging in height from $48km(30mi)$ to $965km(600mi)$.