Created by
nusratkhan
- Science
- Ocean pollution
- Age 8-10
-
level: Grade 2
- English
คำแนะนำของผู้เขียน
Observation sheet for experiment of pollution in the ocean water caused by the chemicals;pesticides
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Created by
nusratkhan
คำแนะนำของผู้เขียน
Observation sheet for experiment of pollution in the ocean water caused by the chemicals;pesticides