The answer is B
I also did this quiz.
Only the third option is true: The individual substances in a mixture lose their original chemical properties. The atmosphere is most definitely not a solution and sugar is not a solvent.
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Muscles convert chemical energy into mechanical energy
I would want to use a thermal conductor because then I can actually heat up the soup but however if I used a thermal insulator it would just keep the soup warm but this would be no help if she was already cold
I just want to go to sleep but the answer is 15038282