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A student makes a model of the universe using cubes and rods, as shown.
Each cube
represents
a galaxy.
Each rod represents
the space between
two galaxies.
How should the student change the model to show the expansion of the universe?
Decrease the sizes of the cubes, and decrease the lengths of the rods.
Increase the lengths of the rods, and leave the sizes of the cubes the same.
Increase the sizes of the cubes, and leave the lengths of the rods the same.
Increase the sizes of the cubes, and decrease the lengths of the rods.

Respuesta :

Answer:

Decrease the sizes of the cubes, and decrease the lengths of the rods.

Explanation:

A student makes a model of the universe using cubes and rods, as shown.

Answer: Increase the length of the rods and leave the size of the cubes the same.

Explanation:Since the rods represent the space/ distance between the cubes(galaxies) then you should increase the distance as this tells that the universe it expanding as galaxies are moving farther apart.

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