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Who needs cash when there’s BTC?

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As an early investor in Bitcoin, an expert on the world of FinTech, and an advocate for monetary reform, it’s no exaggeration to call BnkToTheFuture founder Simon Dixon an oracle on the crypto industry. Simon joins Jason Butcher on Off the Ledger to share his thoughts on the evolution of cryptocurrencies, how it is reshapingContinue reading

National SAT Practice Test Day 2021

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Taking a full-length SAT practice test is one of the best ways to prepare for test day. In this “study with me” style video, you’ll learn how to take a free full-length practice test using Official SAT Practice on Khan Academy, which you can access at www.satpractice.org. Khan Academy employees will provide proctor instructions thatContinue reading

Acid–base indicators | Acids and bases | AP Chemistry |

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Acid–base indicators are compounds that change color when they become protonated or deprotonated. Because this color change occurs over a specific pH range, indicators can be used to approximate the equivalence point of an acid–base titration.