Member for
4 ปีAge: 14-16
Level: YEAR 11
Language: English
(en)
ไอดี: 1511112
11/10/2021
Country code: BN
Country: Brunei
Main content: Ecosystem (1962056)
From worksheet author:
Human activities, pollution, ecosystem
Other contents:
Pollution, human activities
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![Ecosystem (human activities) Ecosystem (human activities)](/sites/default/files/styles/worksheet/public/def_files/2021/10/11/11011095159420653/11011095159420653001.jpg?itok=El_qAnng)
![Ecosystem (human activities) Ecosystem (human activities)](/sites/default/files/styles/worksheet/public/def_files/2021/10/11/11011095159420653/11011095159420653002.jpg?itok=fJSq4WJu)
![Ecosystem (human activities) Ecosystem (human activities)](/sites/default/files/styles/worksheet/public/def_files/2021/10/11/11011095159420653/11011095159420653003.jpg?itok=nw6vK7c_)