Base station
Base stations transmit and receive signals from mobile phones within a local area. Base stations are powered by electricity. Without electricity no mobile conversations can happen and no text messages can be sent.
Battery
Batteries store energy and can be used to power electrical gadgets from torches to mobile phones. They are packed with chemicals which, at the touch of a button, can react to release stored energy and make electricity.
Biodiesel
Biodiesel is a fuel used in cars and buses that is made from pure vegetable oil or a mixture of vegetable oil and regular diesel.
Biofuel
Biofuels are fuels made from plants. For example, plants can be broken down to make alcohol. The alcohol is burned in cars and buses to make them go. Biofuels are a renewable source of energy.
Biogas
Biogas is gas that comes off animal poo or rotting vegetables. Like natural gas it can be burned for heating, cooking or to make electricity. Biogas is a renewable source of energy, but natural gas is not.
Biomass
Biomass is stuff you can burn that was recently alive and growing, such as wood and food. Biomass also includes animal poo because animal poo still contains a lot of grass and leaves.
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