2.a)R b)R c)L d)L e)R f)L g)L
Option E, Real gas particles have more complex interactions than ideal gas particles.
In ideal gases, there is absolutely no interaction between any atoms. At all. Atoms simply don't bump into each other in ideal gases.
Obviously, you know that's unrealistic. In real gases, atoms collide into each other all the time.
-T.B.
They were created with stone and wood and sometimes even bones, I hope this helped!