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.
The largest source of energy for an ecosystem is the sun. Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. Any energy remaining in a dead organism is consumed by decomposers.