Rita wants to make some toast for breakfast. she puts a slice of bread in the toaster. after 3 min, rita notices that the sides of the bread are black. what has happened?
a. the bread has undergone a change of state.
b. the bread has undergone a change in density.
c. some of the matter in the bread was destroyed.
d. new substances have formed as the result of a chemical change.
Answers: 2
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Rita wants to make some toast for breakfast. she puts a slice of bread in the toaster. after 3 min,...
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