Air Polution
स्टोरीबोर्ड पाठ
- These days the world is being destroyed for many reasons.
- I 100% agree with you, the air pollution is one of the main causes.
- Let's find out.
- What causes air pollution?
- Oh I don't know. Do you ?
- The most frquent are:Vehicle Exhaust Smoke, Petroleum Powe Plant Smoke and Factory smoke
- So I've been looking and found many causes of air pollution.
- What are they?
30 मिलियन से अधिक स्टोरीबोर्ड बनाए गए