The correct option is B (a) - (iv), (b) - (ii), (c) - (iii), (d) -(i)
- Venus is known as the "rocky" or "terrestrial" planet as it is similar to Earth in composition.
- Saturn is known as the gas giant because it is made up of gases and it is too huge that about 760 earths can fit into it.
- Uranus is known as an ice giant because it is made up of ice and it is too huge that 63 earths can fit into it.
- Pluto is known as the dwarf planet because of its size as it is even smaller than the Earth's moon.