User talk:2405:205:B00D:A3A5:0:0:2052:68A1

February 2019
Hello, I'm Count Count. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Gas exchange— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Thanks. Count Count (talk) 18:36, 3 February 2019 (UTC)
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