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CR: AE
A: Expansion of the railroad network was solely responsible
B: Other factors also played an important role
Y
X – not stated in the passage
X – Contributed to economic growth but did not state what happens without it
X – Not relevant
X – Talking about railroad and other forms of roads
Conclusion: Offering tangible benefits to investors in space exploration projects can be effective for fundraising
X – costs > fund raised (not relevant)
X – does it need to be the only benefit?
X – not related to effectiveness of fund raising
X – not related at all
Y
RC: AECC
{Para 1} E planet small size but cannot generate a lot of heat
{Para 2} Heat sources maybe available and maybe suitable for life
{Para 3} Radioactive decay + Gforce = Heat
IR: BBCA
1) 15*20 = 300
2) 180/12*7 = 105
105 - 70 = 35
3) C
4) 3:2:5
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