อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
Created by
Arya_1234
-
biology
-
Pollution
-
Age 14-16
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level: 9
-
English
คำแนะนำของผู้เขียน
this worksheet contains questions about pollution due to discarded plastic it's source and effects
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Created by
Arya_1234
-
biology
-
Pollution
-
Age 14-16
-
level: 9
-
English
คำแนะนำของผู้เขียน
this worksheet contains questions about pollution due to discarded plastic it's source and effects