26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/cc-6th-neg-num-intro/a/intro-to-negative-numbers Sal introduces the concept of negative numbers using number lines and real-world situations.
Published 2022-03-21 · Watch on YouTube ↗
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