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JOHANNANN99Lv1
18 Sep 2021
When a system changing energy is always negative
When a system changing energy is always negative
21 Aug 2023
teacherrecoLv10
21 Aug 2023
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1 Oct 2021
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pentest1820Lv10
25 Sep 2021
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Read by 1 person
19 Sep 2021
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Read by 1 person
Read by 1 person
18 Sep 2021
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Read by 1 person
Read by 1 person
Read by 1 person
kartikjain27Lv3
18 Sep 2021
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