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Nota - KEMUSNAHAN ALAM SEKITAR (Tahun 6)
Sekolah Kebangsaan Tuarid Taud, Keningau :: PANITIA-PANITIA :: PANITIA-PANITIA :: Panitia Sains & Matematik (SNMT) :: Soalan Sains, Nota & Info
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Nota - KEMUSNAHAN ALAM SEKITAR (Tahun 6)
by Admin on Wed Jan 26, 2011 9:08 pm
| Kemusnahan alam sekitar | kerana aktiviti manusia | pembalakan pembukaan tanah pertanian perumahan perindustrian | ||
| contoh | hakisan tanah | bila permukaan atas tanah terhakis oleh air / angin | berlaku kerosakan harta benda | |
| tanah runtuh | bila tiada akar memegang tanah kerana banyak pokok telah ditebang | |||
| banjir kilat | air melimpah kerana saliran tersumbat menyebabkan pergerakan air perlahan | kemusnahan harta benda, nyawa | ||
| pencemaran udara | kerana pokok2 ditebang & dibakar, banyak gas karbon dioksida terkumpul di atmosfera/udara | |||
| pencemaran air | penggunaan racun serangga, racun hanyut ke sungai bila hujan | menyebabkan keracunan & penyakit | ||
| suhu bumi meningkat | -pokok2 ditebang, kurang penyerapan gas karbon dioksida -haba dr matahari terkurung di atmosfera -ais di kutub semakin melebur/mencair & kuantiti air bumi bertambah | -bertambah panas -banjir |
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Re: Nota - KEMUSNAHAN ALAM SEKITAR (Tahun 6)
by Admin on Wed Jan 26, 2011 9:11 pm
peta minda... sekadar utk berkongsi...
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Re: Nota - KEMUSNAHAN ALAM SEKITAR (Tahun 6)
by Admin on Wed Jan 26, 2011 9:15 pm
nota lebih menarik akan menyusul... dlm format pdf...
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Sekolah Kebangsaan Tuarid Taud, Keningau :: PANITIA-PANITIA :: PANITIA-PANITIA :: Panitia Sains & Matematik (SNMT) :: Soalan Sains, Nota & Info
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