Alternative energy sources are crucial for a sustainable future, offering a cleaner way to power our world compared to fossil fuels. Solar energy, harnessing sunlight through photovoltaic panels, is widely used for electricity generation and water heating, especially in sunny regions. Wind energy utilizes large turbines to convert kinetic energy into electricity, often found in windy coastal areas or open plains. Hydropower, generated by the movement of water through dams, is one of the oldest and most reliable forms of renewable energy, though it requires significant infrastructure. Geothermal energy taps into the Earth's internal heat, providing constant power regardless of weather conditions, making it ideal for heating and electricity in areas with volcanic activity. These sources collectively aim to reduce carbon emissions and combat climate change.
Which alternative energy source primarily uses photovoltaic panels for electricity and water heating?
A) Wind energy
B) Solar energy
C) Hydropower
D) Geothermal energy