kjahsdkjahsdkj557 kjahsdkjahsdkj557 22-02-2024 Chemistry contestada Which gas(es) would cause the LEAST damage to the environment during a leak check? 1) Carbon dioxide (CO₂) 2) Methane (CH₄) 3) Nitrous oxide (N₂O) 4) Hydrofluorocarbons (HFCs)