science help: i need help with my science test(studying for it)

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i need help with my science test(studying for it)

i dont know how the objects in the universe are arranged.
can anyone help ?

This open post was written 1 month, 2 weeks ago | V/U/S: 65, 2, 3 | Edit Post | Leave a reply | Report Post

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mumstheword 21 #
An Undisclosed Location | 1 month, 2 weeks ago (22 minutes after post)

There are lots of good revision things online.

j #
An Unknown Location | 1 month, 2 weeks ago (44 minutes after post)

The objects in the universe are arranged with atoms (protons, neutrons, electrons)

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