Which example is solar electric energy?

Fission reactions release energy which is converted to electricity.

The sun warms a plate that heats up the water in a pool

Sunlight is converted to electricity in a photovoltaic cell. Wind turns a turbine, creating electricity.

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

What are two different ways you could find the value of a? explain these methods.