Which rea is surrounded by the ring of fire a. the atlantic ocean b. the united states c. the miditerranean sea d. the pacific sea

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.