Why are wind turbine blades primarily made of glass fibre reinforced polyester (GFRP)?

Arrange the following steps in the correct sequence of electricity generation in a conventional run-of-river hydropower plant: A. Water passing through turbine blades causes rotation B. River water stored/diverted through intake structure C. Rotating turbine shaft drives the generator D. Generator converts mechanical energy to electrical energy E. Water discharged back to river through draft tube

Consider the following statements: Statement I: Electrolysers based on Alkaline (ALK) and Proton Exchange Membrane (PEM) technologies are capable of producing green hydrogen at commercial scale. Statement II: Electrolysis is a process in which electric current is used to split water into hydrogen and oxygen gases. Which one of the following is correct with respect to the statements given above?