stratosphere, outer part of the air, conservation, preservation, provide, supply, migration, travelling, radiation, sending out light, global, the whole world, pollution, making impure, atmosphere, the mixture of gases, ethics, moral behaviour, threaten, hurt, punish, waste, used matter

Environment

oleh
Cetak
Menyematkan

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

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