IRISHJANEMAMARGO
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write U if the materials is useful and H if it harmful to humans
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Write U If The Materials Is Useful And H If It Harmful To Humans class=

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RAGANASBRYANTGO

[tex]\textsf{1. H}[/tex]

[tex]\textsf{2. U}[/tex]

[tex]\textsf{3. H}[/tex]

[tex]\textsf{4. H}[/tex]

[tex]\textsf{5. U}[/tex]

[tex]\textsf{6. U}[/tex]

[tex]\textsf{7. H}[/tex]

[tex]\textsf{8. H}[/tex]

[tex]\textsf{9. H}[/tex]

[tex]\textsf{10. U}[/tex]

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