The air for sure. Water has a high specific heat which means it takes longer to cool down in temperature. Hope this helps :)
Permian-Triassic extinction
<span>Ocean currents act much like a conveyer belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.</span>
Answer is Venus, made a list of facts for explanation