Question

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.

Answer 1

A rock is a mixture and oxygen is a pure substance

Step-by-step 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

Answer 2

d. oxygen is a pure substance and rocks are mixtures