🤓 Based on our data, we think this question is relevant for Professor Heider's class at UCF.
Consider the following substance
I. saline IV solution
II. salt (NaCl)
III. aluminum foil
IV. salad dressing
Which of the following is true?
A) I and III are pure substances, IV is a homogeneous mixture.
B) I and II are homogeneous mixtures
C) Both II and III are pure substances, I is a homogeneous mixture
D) None of the above is true
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Based on our data, we think this problem is relevant for Professor Heider's class at UCF.