261 Got this from the Chan. Cotton swab vs Covid swab under microscope. Cotton = leaves no marks or trace when brushed across meat. Covid = leaves multiple fibers and have weird "black/gray" fibers that reacts to heat. (files.catbox.moe) ?️ DISCUSSION ? posted 3 years ago by Deaf_MAGA_Pede 3 years ago by Deaf_MAGA_Pede +261 / -0 Your browser does not support videos. 108 comments share 108 comments share save hide report block hide replies
Yeah I learned this in highschool.
Are you a doctor?
Some saliva is acidic depending on diet. Not all.
Yup.
Majority is acidic though. Especially in America woth all the coffee and carbs we consume.
What are you, a doctor?