The mass of Earth is made up of these parts.

oceans 1.4 × 1021kg

crust 2.6 × 1022kg

atmosphere 5.1 × 1018kg

mantle 4.043 × 1024kg

outer core 1.835 × 1024kg

inner core 9.675 × 1022kg

What is the order, from least to greatest, of the masses of each part of Earth? Order the parts from least to greatest, with 1 being the smallest mass and 5 the greatest mass.

1. Atmosphere

2.
3.
4.
5.
6.