Florida law requires a disclosure at the time of or before entering into a contract for sale for which environmental hazard?

Radon gas

Explanation:

Radon gas is a naturally found highly toxic gas that can pose health hazards  to people exposed to it over time when it has accumulated in a construction  in adequate amounts.

The Landlord or Seller is needed by law to make an instant  disclosure before signing into any housing purchase or rental agreement.

answer; i thinking 4.5 million. in sydney australia;