Differentiate the classification of pluto and earth's moon

Earth's moon is not classified as a dwarf planet because it does not orbit the sun, but orbits us (the earth). ... And there are several other moons as large or larger than Pluto: Jupiter's Ganymede, Callisto, Io and Europa, Saturn's Titan, and Neptune's Triton. All moons because they orbit a planet.

Pluto is a dwarf planet but earth is not

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.

Ones bigger then than the other