The answer is b,c,a. it all started with pangea
China believes that building the Three Gorges Dam was an absolute necessity in terms of energy production because it can generate hydro-electric energy from Yangtze River. This hydro-electric-producing dam would generate less pollution than coal-fire generation and would slow the river from overflowing and destroying nearby villages.
Answer:
I really don't know if this is what your looking for. Or what kind of speed review your talking about. Sorry if this is wrong. I tried