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Question 18 (5 points)
(03.06 MC)
Which statement is true about oxygen and rocks? (5 points)
a
Both are mixtures.
Both are pure substances.
Oxygen is a mixture and a rock is a pure substance.
d
Oxygen is a pure substance and rocks are mixtures.

Respuesta :

90azazazazaz090999

Answer:

d. oxygen is a pure substance and rocks are mixtures

AndyViera

Answer:

A rock is a mixture and oxygen is a pure substance

Explanation:

Oxygen is just O O O O O O and rocks have many things in it like minerals, fossils and rock stuff. I'm not a geologist

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