question 6 which of the following are pure substances? select all that apply. oxygen blueberry pancakes…

question 6 which of the following are pure substances? select all that apply. oxygen blueberry pancakes carbon dioxide carrots
Answer
Brief Explanations:
A pure substance has a definite and constant composition. Oxygen is an element and carbon - dioxide is a compound, both with fixed compositions. Blueberry pancakes and carrots are mixtures of different substances.
Answer:
oxygen, carbon dioxide