A. the size of the volcanoes on Venus
B. the absence of oceans to provide erosion and weathering
C. surface rocks that cooled quickly when molten
D. no natural satellite to induce continuous seismic forces
E. a radioactive core that continues to generate great amounts of heat
我的答案: 无
A. the size of the volcanoes on Venus
B. the absence of oceans to provide erosion and weathering
C. surface rocks that cooled quickly when molten
D. no natural satellite to induce continuous seismic forces
E. a radioactive core that continues to generate great amounts of heat
我的答案: 无