VOICEOVER: Pure and impure substances. The word pure in everyday life doesn't have the same meaning in science. For example, pure orange juice is a mixture of compounds and bottled water still has ...
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Scientists issue warning over unexpected toxic substance discovered in everyday drink: 'This has gone completely under the radar'Like all per- and polyfluoroalkyl substances, this forever chemical is incredibly persistent in the environment and widespread across the globe. For instance, another recent study in Michigan ...
VOICEOVER: Pure and impure substances. The word pure in everyday life doesn't have the same meaning in science. For example, pure orange juice is a mixture of compounds and bottled water still has ...
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