All of the above I believe
the answer to your question is c
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.
The earths rotation on the axis, and since its at an angle
Credit is a card in which you can spend more and have to pay back the money, debt is where you can only spend the money you have in a card