Solar energy, wind energy, ocean energy etc., are renewable sources of energy due to the following reasons: These forms of energy are available in plenty in our natural environment...
(i) Biomass is a renewable source of energy only if we plant trees in a planned manner which is not the case with hydroelectricity.
(ii) The energy from bio-mass can be...
(i) The classification helps us to decide which of the available energy sources need to be conserved to ensure their availability for future generations.
(ii) The classification helps us to look for...
Renewable sources of energy
Non-renewable source of energy
1. These sources of energy can be used again and again.
2. These type of sources are inexhaustible.
3. It does not pollute atmosphere.
4. Example: Solar energy, wind energy, etc
1. These...
Both the energy sources, coal and petroleum, take millions of years for their formation. As these resources are being utilised at a much faster rate than their formation, they will...
(d) Tides are the rise and fall of sea levels caused by the combined effects of gravitational forces exerted by the Moon, Sun, and rotation of the Earth.
