Portal Lessons

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Two Scientific Studies: Pollution Leads to the Increase... Arabic, Modern Standard 1+/2 Reading Ecology/Geography
Woods, the Source of Life Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Draught Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Airport Noise Weakens Children's Memory Arabic, Modern Standard 1+/2 Reading Ecology/Geography
Migrant Birds Expose Pollution Secrets Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Saturn, Center of the Universe Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Ozone: Cause and Treatment Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Global Warming Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Australian Rocks Could Be a Huge Energy Source Arabic, Modern Standard 3+/4 Reading Ecology/Geography
Johannesburg Summit's Failure Feared Arabic, Modern Standard 3+/4 Reading Ecology/Geography

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