Why does fire spread when we blow into it? 538 viewsJanuary 3, 2024 Question90.49K March 8, 2021 0 Comments Fire needs oxygen to burn, so why does it spread when we blow carbon dioxide into it? In: Biology 5 Answers ActiveNewestOldest Anonymous Posted March 8, 2021 0 Comments You breathe out a good amount of oxygen, too. Your lungs don’t absorb all of it. So blowing gently both introduces a bit of fresh oxygen and displaces the heat enough to spread the fire a little. You are viewing 1 out of 5 answers, click here to view all answers. Register or Login
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