Okay look at it, it's really easy. 1st ingestion (going in) 2nd digestion (breaking down) 3rd absorption (retaining the nutrients) 4th elimination (using the restroom) :p see the answer is with-in the definition of the words. Hope this helped. <span />
A simple microscope consists of 3 or 4 lenses with different magnifications
hard parts are most likely to be preserved
I believe it that the answer is C. Hope this helps