1.Global warming is the rise in temperature of the Earth's atmosphere. This caused melting of ice caps and rising of sea level.
2.Rain acid happens when sulfur dioxide mixed with nitrogen oxides into the atmosphere and react with water. This effect Eart by makes water acidic and cause them to absorb the aluminum.
3.Air pollution is a mixture of solid particles and gases in the air. This effect our health and they cause damage to animals and plants too.