
KELAS 4 TEMA 9 SUBTEMA 3 PB 4
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•
Other
•
9th - 10th Grade
•
Hard
Ida Susanti
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6 Slides • 2 Questions
1
KELAS 4 TEMA 9 SUBTEMA 3 PB 4
by Ida Susanti
2
PELESTARIAN SUMBER DAYA ALAM
3
PELESTARIAN TANAH
a. Menjaga kelestarian tanah dengan pemupukan.
b. Membuat sengkedan untuk mencegah pengikisan tanah.
c. Menanam pohon-pohon di tanah yang kosong.
d. Mencegah terjadinya polusi tanah
4
PELESTARIAN HUTAN
a. Penebangan memilih pohon yang tua atau tebang pilih.
b. Menanam kembali pada bekas tebangan atau reboisasi.
c. Mencegah penebangan liar dan pembakaran hutan.
5
PELESTARIAN BARANG TAMBANG
a.Menggunakan barang tambang dengan hemat
b.Mendaur ulang barang tambang logam
c.Menggunakan bahan pengganti, seperti mengganti besi dengan plastik, mengganti bahan bakar minyak dengan bahan bakar alternatif seperti biogas
6
Multiple Choice
Yang bukan termasuk cara melestarikan tanah.....
pemupukan yang benar
membuat sengkedan
reboisasi
melaksanakan prokasih
7
Multiple Choice
Yang termasuk usaha untuk melestarikan hutan....
prokasih
reboisasi
reuse reduce recycle
membuat lubang peresapan air
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TERIMA KASIH
KELAS 4 TEMA 9 SUBTEMA 3 PB 4
by Ida Susanti
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