aaronhardygta6 aaronhardygta6

14-09-2018
Chemistry

contestada

The inner planets—Mercury, Venus, Earth, and Mars—are believed to have been formed by _____.
1. the explosion of supernovas
2. masses of cold hydrogen and helium
3. the combining of asteroid-sized debris
4.collisions with large galaxies

Respuesta :

Аноним Аноним

14-09-2018

i believe the answer is B :/

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