The answer is C.) Plants and animals.
Answer:
Argon is an element on the periodic table. It is a member of the noble gasses, meaning that it is a monoatomic pure gas. In other words, argon gas particles are simply pure single atoms of argon. ... Finally, water is a polyatomic molecule H2O composed of two atoms of hydrogen and one atom of oxygen.
Explanation:
A unit of measurement that is standard, and has been used by artists (including myself) to accurately create the proportions of the human figure
