Gas escapes from the surface of a planet because it aquires escape velocity. The escape velocity will depend on which of the following <br> 1) Mass of planet <br> 2) Mass of particle escaping <br> 3) Temperature of the planet <br> 4) Radius of the planet

Question

a) 1 and 2 b) 2 and 4 c) 1 and 4 d) 1, 3 and 4