Question

Mention any two features about the ionospere

Answer 1

Answer:

1.the thickness of ionosphere is just having a quite difference compared to earth's thickness

2.the ionosphere is composed of three main parts, named for obscure historical reasons: the D, E, and F regions. The electron density is highest in the upper, or F region. The F region exists during both daytime and nighttime. During the day it is ionized by solar radiation, during the night by cosmic rays. The D region disappears during the night compared to the daytime, and the E region becomes weakened.

3.the ionosphere has main importance ,it influences radio propagation