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haileywebb8
18.12.2020 •
Chemistry
Question 1(Multiple Choice Worth 2 points) In the table below, which statement would best fill the missing box under "Open System"? Open System Closed System Matter freely moves Matter does not freely move Energy can enter or leave Energy is constant Energy is not exchanged Energy is freely exchanged Energy does not freely move
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Ответ:
Which file extension indicates a text document?
A- .txt
B- .ppt
C-.tst
D- .pdf