The fairly flat, circular part of the galaxy is referred to as the disk.
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Answer:
The universe is all the planets and stars that orbit the sun
The lateral faults are created because of the immense force and pressure from the Mantle layer of the Earth towards the Crust layer, which breaks under that force and pressure. The Mantle layer is a layer of magma, melted metals, that has very high temperature and thus pressure. On certain points on the Earth, the Crust layer is thinner and cracks. That is accompanied by volcanic activity, earthquakes or both. Once the Crust is broken by the pressure and force from beneath, the pressure and force from the Mantle layer moves bit by bit in certain direction.
Explanation:
This is because sustainable development does not easily run out and can be reused for a long time until it totally runs out