Manipur, in north-east India, is not at all a matriarchy. Though mothers there are in forefront of most of the social activism, the society has always been a patriarchal. Their women power is visible because of historical reason.
The solar radiation that reaches Earth acts as its main source of energy in several ways. It warms the Earth's surface, regulating weather systems and providing a habitable environment for its lifeforms to thrive in. The sun's interactions with Earth generate raindrops, which in turn provide hydropower.
Sources of energy : a source of energy is that which is capable of providing enough useful. energy at a steady rate over a long period of time. A good source of energy should be : i) Safe and convenient to use, e.g., nuclear energy can be used only by highly trained. engineers with the help of nuclear power plants.