We will have to take more interest in hydro-electric projects. As the prices of oil have increased, it has become vital that such renewable sources of energy are tapped.
Which of the following will weaken the argument?
The argument is built on the assumption that generation of hydroelectric power is cheaper than oil. So, if it is true that generation of hydroelectric power is more expensive than generation of power using oil, the argument will be weakened. Option a) is the correct answer.
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