Which statement about the use of hydroelectric power as an energy resource is correct?
It is a non-renewable energy resource.
It obtains its energy indirectly from the Sun.
Its use has no environmental impact on local ecosystems.
It converts chemical energy directly into electrical energy.
142 exam-style questions on CIE IGCSE Physics 1.7.3 Energy resources. Each one has a worked solution and a mark scheme showing where the marks go.