Good chapter to study! :-D
Chapter name is "Air, Water and Land Pollution".
paanchvi-chhati ke bacche aur B.Ed. ke bacche sab yahi padhai karte hain. Aap 10-12 age group mein to nahi aate lekin B.Ed. padhte hue bhi nahi lagte :-D
jo bhi hai, soch acchi hai ......
upaey no. 1. air pollution mask pahaniye ghar se bahar jaate hi
upaey no. 2. ghar ke paani ko filter kijiye nahi to nal ke kapda baandh ke chhaan lijiye aur fir usse ubaal lijiye
upaey no. 3. ghar ke aas-paas kuda na failayein, agar log nahi maante to aap khud 100 rupey laga ka public dustbin rakhwa dijiye aur saath mein bannar lagayein "kuda, kudedaan mein hi daalein anyatha apni jeb mein rakh lein" :-D
shayad kuch problem sulje aapki aur janhit ki