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Hey there, I built this website for students studying for tough tests. I think everyone should get education for free, so that's why I made this site. But now, the way Google ranks websites changed, and not many people are visiting here. I use money from Google ads to keep this site running, but with less visitors, it's hard to do that anymore. If you like this website and want it to keep going, can you help out? Any support you give would be really appreciated. Thanks a lot for considering it.


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The essential condition for the decompression of an activity is that

A. The project time should change due to decompression

B. After decompression the time of an activity invariably exceeds its normal time

C. An activity could be decompressed to the maximum extent of its normal time

D. None of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".