Question

18. The study of thermodynamics is
concerned with: ​

Answer 1

Answer:

Thermodynamics is the study of the relations between heat, work, temperature, and energy. The laws of thermodynamics describe how the energy in a system changes and whether the system can perform useful work on its surroundings.

Explanation:

for further information you can refer State board 11th book

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Answer 2

Answer:

heat and its effects

Explanation:

This is the answer