What is the two parts of a solar system

The Solar System is divided into two main regions. The inner planets consist of the four rocky, or terrestrial planets, Mercury, Venus, Earth and Mars, while the outer planets consists of the two gas giant planets, Jupiter, Saturn, and the two ice giant planets, Uranus, and Neptune.

Explanation:

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d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.