Practice Reading & Listening on Climate for IELTS & TOEFL

Practice Reading & Listening on Climate Practice Reading & Listening on Climate for IELTS & TOEFL with illustrated flashcards, a podcast as a documentary from National Geographic YouTube Channel and text-to-speech transcribed by Mahsa Mohammadi The ozone layer 15 to 35 kilometers above Earth’s surface, a gas called ozone surrounds the planet. The ozone layer … Read more

This lesson was published on Sep 04, 2020 by

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