Which of the choices listed below are characteristics shared by all epithelial tissues? 1 contain a high amount of extracellular matrix (substance between cells) 2 avascular (no blood vessels) 3 cells closely joined together 4 form surface layers 5 found immediately next to blood-vessel rich connective tissues?

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .