Answer: a
Explanation:
Set up a ratio and solve.
7.9 • 120 / 160 = 5.925
Answer:
Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded.
Endoplasmic reticulum.
I have biology this semester too :)