Cara-cara selamatkan ekologi alam sekitar

Apa itu pemanasan global?

Apa itu gas rumah hijau?

Apa itu langkah mesra alam yang dapat memelihara ekologi alam sekitar?

Sila klik link di bawah dan rujuk: 

prch-garbage-enzyme1.pdfprch-garbage-enzyme1.pdf

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