health hazards

Question 2: Exposure to radon gas may cause health hazards. You have friends who are about to purchase a new home in an area where it is perceived that radon gas levels may be high. Please respond to the following:

Describe the type of radiation that is emitted by radon gas and how it poses a health risk.
Identify potential human health risks associated with living in a home where radon gas levels may be high
Describe corrective/remediation measures that can be taken to reduce radon levels in a home