Help me im in middle school btw

How do scientists think that gravity affected the formation of our solar system?

How to convert a density of 0.791g/cm3 to lb/ft3

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .