What is the role of the sun in the formation of clouds? ?

The sun provides what almost everything on Earth needs to go—energy, or heat. Heat causes liquid and frozen water to evaporate into water vapor gas, which rises high in the sky to form clouds... clouds that move over the globe and drop rain and snow. This process is a large part of the water cycle.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this