A gas-fired power station and a solar farm both produce electrical power.
The gas-fired power station produces 900 MW900\text{ MW}900 MW and the solar farm produces 6.0 MW6.0\text{ MW}6.0 MW.
Give one advantage of using solar farms instead of a gas-fired power station to produce electricity.
Gas-fired power stations are still in general use. Explain why solar farms have not totally replaced them.
