Which best describes how the diagram illustrates both laws of thermodynamics? first law: high-temperature steam flows to an area of lower temperature in the turbines. second law: thermal energy is used to do work on the turbines. first law: thermal energy is used to do work on the turbines. second law: high-temperature steam flows to an area of lower temperatures in the turbines. first law: some thermal energy is lost to the surrounding environment as it travels through the system. second law: kinetic energy is used to turn an electrical generator. first law: kinetic energy is used to turn an electrical generator. second law: some thermal energy is lost to the surrounding environment as it travels through the system.

First law of thermodynamics is based on conservation of energy that states that energy can never be destroyed, it changes from one form to other form of energy. As in the given image, boiler gives thermal energy in the form of steam and this thermal energy do work on turbine by rotating it.

Second law of thermodynamics states that heat energy always moves from high temperature region to low temperature region until no external energy is given. As in the given image, boiler have high temperature steam and turbine is low temperature region. Therefore, high temperature stream moves from lower area to the turbine.

Hence correct answer -

First law: Thermal energy is used to do work on the turbines.

Second law: High-temperature steam flows to an area of lower temperatures in the turbines.

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