Your answer is E.Tissue
A. Atoms are the smallest things ever- INCORRECT
B. Molecules combine to make cells which make biomolecules smaller than cells. - INCORRECT
C. Organelles are inside of cells - INCORRECT
D. Cells combine to form tissues- INCORRECT
E. Tissues make up organs and are the only thing that is listed of the options that is actually visible to the human eye without a microscope- CORRECT