Question

What effects does ionizing radiation have on the atmosphere? Select the two correct answers.(1 point)
Responses

It helps atoms to escape Earth's gravity in the exosphere.
It helps atoms to escape Earth's gravity in the exosphere.

It is the chief cause of warming in the troposphere.
It is the chief cause of warming in the troposphere.

It ionizes atoms and molecules in the thermosphere.
It ionizes atoms and molecules in the thermosphere.

It forms ozone in the stratosphere.

Answer 1

- It ionizes atoms and molecules in the thermosphere.
- It forms ozone in the stratosphere.

Explanation (brief): High-energy solar UV, X-rays and particles ionize gases in the thermosphere (creating the ionosphere). Ultraviolet photodissociation of O2 in the stratosphere produces O atoms that combine with O2 to form ozone.