✔ 最佳答案
Acid rain is mostly formed by human activities . Where people use coal to generate heat or electricity will generate sulphur dioxide which dissolve in water to form acid rain . Cars burn petroleum can produce sulphur dioxide & nitrogen dioxide which also form acid rain . Volcano activity produce a lot of gases which can form acid rain . Thunder storms can make nitrogen react with oxygen to form nitrogen dioxide . Factories give out smokes also can form acid rain too . Places arround would receive acid rain if they are near area with such mentioned causes .