Hey @spainstechroom: Corey says that sound travels equally well up and down. #sci6p13 #salemproud #hashtag180 pic.twitter.com/5GOpG32H9W
— Bill Ferriter (@plugusin) March 7, 2018
Wednesday, March 7, 2018
@spainstechroom Hey @spainstechroom: Corey says that sound travels equally well up and down. #salemproud #hashtag180 https://t.co/5GOpG32H9W
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