The company that created the first solar cell
What is Bell Laboratories
Renewable energy sources are more __ __ than non-renewable energy sources
What is environmentally friendly
Solar panels can last for at least _______ years
What is 25 years
The material of the first created solar cell
What is silicon
Depending on the __ the effectiveness of a solar panel changes
What is the weather
Homes with solar panels sell for ___% more than homes without them.
What is 4.1%
French physicist Alexandre-Edmond Becquerel, was working with metal electrodes in a solution when he noticed that small electric currents were produced when the metals were __ __ __
What is the exposed to light
A grant of up to ___ dollars can be received for installing a solar panel
What is five thousand
Most solar panels sold in 2020 have efficiencies between __% and __%
What is 15 and 20