Which of these is not a renewable energy source?

Which device converts sunlight directly into electricity?

What is the main innovation in offshore wind farms?

Which renewable energy source uses underground heat?

What do we call fuel made from plants and organic waste?

Which of these innovations helps store renewable energy for later use?

Why are solar panels often tilted at an angle?

What is one benefit of smart grids in renewable energy?

What is the function of a solar inverter?

Which of the following renewable sources also helps reduce landfill waste?