Answer:
Wish I could be of help but I like your peppa pig sticker :)
Im thinking C. The skeletal system but not 100% sure.
A relatively large molecule that has an electrical charge associated with it, regardless if it is full charge or partial. Would require facilitated diffusion to enter a cell.
Eg - complex sugars, or disaccharides - fructose, or amino acids, ions - Na + or Ca +.
Thus this section relies heavily on the use of various types of microscopes to examine physical evidence. An initial examination to detect this microscopic evidence is conducted using a stereomicroscope. The trace evidence examiner may sort through debris removed from an article of evidence or may examine the article directly.
i hope it helps