问题详情

Geothermal resources， wind turbines， and hydropower facilities in Paragraph 4 cited as examples to illustrate that __________. 查看材料
A.the amount of alternative energy production from public lands is huge
B.alternative energy production is no less than conventional energy production
C.they are the most typical conventional energy resources from public lands
D.geothermal resources are more important than the other two请帮忙给出正确答案和分析，谢谢！