Word Count : 241

---

Acid rain is a form of environmental pollution caused by the release of acidic substances into the atmosphere, which later return to the earth’s surface through rain, snow, fog, or dust. It mainly occurs when sulphur dioxide (SO₂) and nitrogen oxides (NOₓ) are emitted from human activities such __________ _________ _____ _____ ___ _______ _______.
_______ _________ _______ _______ _________.
_________ _____ ______ _____ _______ __________ ________ ___.
______ _________ __________ ________ ________ __________.
____ _____ ___ ___ ____ _____ __________ __________ _____ _______ _______.
____ ______ ______ ____ ______ ______ ______ ______ ___ __________.
________ ______ ____ _____ ____ ________ ________ _______.
_________ _________ _________ ________ ___ _________ __________ ___ _________ __________.
____ _________ ________ ____ _______ _________ ___ _______ _______ __________.
_______ ____ ___ __________ __________ ________ ___ _____.
___ _________ _______ _______ _________ ______ _____.
____ __________ _______ ______ _____ _________ ______.
_____ ____ __________ ______ _________ _______ _______ _______ _____.
_____ ______ _________ ________ _____ ______ ____ _________ _____ _________ _________.
_______ __________ ____ _______ _______ ________.
________ _____ _______ ______ _____ ____ _____.
_______ _________ _______ ___ _______ ____ _______ ___ _____ ______ __________.
______ ______ _______ ______ __________.
_______ ____ ______ _____ ___ _________ _________ ____.
__________ _________ __________ _______ __________ ____.
_______ ________ ___ ________ ________ ________ ___ ____.
__________ __________ _____ ____ __________ ___ ____ ___ ____ __________.
_______ ______ _________ __________ __________.
____ ____ _______ ___ __________.
_______ _________ _________ __________ ____.
Get Full Answer on WhatsApp