See explanation below.
Work Step by Step
1 non-Spontaneous ( hence it is under constant force of gravity of sun) 2 non spontanoeus 3 non spontaneous (as decrease in amount of gas)
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.