Explain the cause of pollution. How is it harmful
to our environment ?
Pollution is the introduction of contaminants into the natural environment, causing adverse changes. It's a complex issue with various causes, each contributing to its harmful effects on the environment. The sources of pollution can be broadly categorized into several types, each with its own causes and impacts on the environment.
1. Air Pollution:
- Causes: Burning of fossil fuels (coal, oil, and natural gas) in vehicles, industries, and power plants releases harmful gases like carbon dioxide (CO2), sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter (PM).
- Harmful Effects: Air pollution leads to respiratory problems, cardiovascular diseases, and lung cancer in humans. It also damages ecosystems, harms wildlife, and contributes significantly to climate change by enhancing the greenhouse effect.
2. Water Pollution:
- Causes: Industrial discharge, agricultural runoff containing pesticides and fertilizers, untreated sewage, and oil spills contaminate water bodies.
- Harmful Effects: Water pollution affects aquatic life, causing fish kills and harming marine ecosystems. Contaminated water is harmful to human health, leading to diseases like cholera, typhoid, and hepatitis.
3. Soil Pollution:
- Causes: Agricultural chemicals, industrial waste, improper waste disposal, and mining activities contaminate soil.
-
___ _________ ______ ___ _________ _______ ____ __________ ___ ___.
________ ________ _____ ___ __________ _______ ______ ____ ________ ___ __________.
______ ____ ___ __________ ________ __________ ________ __________ ____ __________ ____ ________.
____ _________ ____ __________ ____ ______ ___ ________ ___.
_________ ________ _______ _______ __________ ____ ______.
__________ ____ _______ _________ _____ _____ ____ ______ _________ ________ ____ ________.
______ ________ ________ _______ ___ ______ __________.
__________ _____ ______ __________ _________ ____ ___ ____ _______ _______ _____.
____ ___ ____ _____ ________ ____ _______ _____ ____ _______ ________ __________.
_______ ______ _____ ____ _________ ________ __________ ____ _______.
________ _________ ________ _____ _____ __________.
______ _________ ________ __________ ___ ______ _____ _________ ________ ______ ______.
______ ______ ____ ____ ____ ______ __________ ________ _______ _________.
_____ _______ ____ _______ ___ ____ ________ _____ ___ __________.
_______ ______ ____ _______ ________ ____.
________ _____ ______ _____ ___ ________.
___ ____ _______ _____ ________ ________.
____ _____ _________ ____ ______ _________ ___ _____.
_________ ________ _________ _________ ____ __________ _________.
__________ ______ ________ __________ ______ _____ ____ _________.
_____ _________ ____ ________ __________ ____.
__________ _____ __________ ______ __________ ____ _____.
__________ ______ ________ __________ ____ _______ _______ ______.
___ _____ _____ __________ _________ _________ _________ _______ _____ _______ ___.
________ ____ ______ __________ __________ _______ _____.
____ _______ ______ _____ __________ ______ _________ ____ __________ ____ _____.
_________ ______ ___ ____ ______ _________ _________ ___ _______.
____ ______ _______ _____ ________ __________ ___ ______ _______ _____.
____ __________ __________ ___ ____ __________ _________ _____ ___.
____ ______ ___ ______ ____ ________ __________ ________ _____ __________ _________ __________.
_________ ________ __________ ____ _________ ___ ______.
____ __________ ____ _____ _____ _______.
___ ________ ________ _______ ______ _________ ___.
____ __________ _____ _____ _____ ____ __________ ___ ___ ________.
___ ______ ___ ________ _____ ________ _________ __________ ______ _______.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
✓ Unlock up to 60% of the answer
✓ No payment required