In order of reactivity: magnesium, iron, copper, silver
Warmer air is less dense than cold air.As air warm it rises while the cold air sink. Warmer air masses forces the cooler air to move which causes wind. These is illustrated when you open a hot oven the hotter air inside the oven rises into cooler air outside the oven.
Answer:
Both are pure substances and a compound
The percentage of CO2 increased 48 percent. Hope this helped!