RT @UKEdVideo: Video: How the surface of the Earth has changed over its history #UKEdChat https://t.co/J4GNL77Nca https://t.co/qeGwpZZW1U - The Calculator Guide from Twitter

Video: How the surface of the Earth has changed over its history #UKEdChat https://t.co/J4GNL77Nca http://pic.twitter.com/qeGwpZZW1U

— UKEd Video (@UKEdVideo) September 23, 2017

from Twitter https://twitter.com/GuideCalculator

September 23, 2017 at 06:58PM
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