Day 82
CR
1-D F: a machine is able to replace human labor to pick up orange from trees P: in long term the machine still works and can fully replace human operates Q: evaluate long term sustainability and practical benefits of the machine
2-C F: although fewer travelers are using satellite phone calls during flight, airlines insist to keep the device. There will be no cost to airlines but income only P: in long term other factors will not change Q: evaluate long term viability
RC
P1-Pb in US southwest, P2-PB life during 400AD, a transit happened at that time P3- in 14th century, shaping modern residents P4- 16th century encountered Euorpeans
CCCCB(C)
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