Science girl 的推文: The cliffs of Royal Gorge, Colorado are made of hard, ancient rocks like granite, and quartzite, carved steep by the Arkansas River over millions of years. 📹itsmarcosparra https://t.co/UpQD07doSR
Science girl
@sciencegirl
5,791正在关注
5,894,235关注者
science in context , art history and technology
Science girl
@sciencegirlThe cliffs of Royal Gorge, Colorado are made of hard, ancient rocks like granite, and quartzite, carved steep by the Arkansas River over millions of years. 📹itsmarcosparra [ 网页链接 ↗ ]
