The climate is the average weather pattern of the certain area experienced over a long time.
An overall pattern of rainfall changes, some places receives an excessive rain that triggers landslides and floods while others get dry, unable to sustain settlement and agriculture.
In the atmosphere, these gases react with water vapour and formed their corresponding acids like H2CO3, H2SO4, and others.
The acidity of water bodies increases which cause the decline in the population of an aquatic organism.