Respuesta :

helper27738

Answer:

c. 2 and 3 only

Explanation:

When you compact the bag of trash you make it smaller, so the volume changes. And the density is the mass divided by the volume, so as the volume changed the density obligatorily change too
2 and 3 because the the garbage is more dense and together but it is now also taking up a smaller amount of space because it has been crushed. however, it still weighs the same because all of the same materials are there, just taking up a smaller space.

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