I believe the answer to your question is the cortex
They are different because simple machines are used to make work easier. While compound machines are made up from 2 or more simple machines.
Just in case, some examples of simple machines are <span>the pulley, screw, wheel, axle, wedge, lever, and inclined plane.
hope this helps</span>
Answer:
Trisulfur dichloride
Explanation:
Coined from the numbers of atoms in the formula
Usually after the area they were originated