Fact 1: Plants are multicellular eukaryotes with cell walls made of cellulose.

Fact 2: Plant cell walls are composed primarily of lignin and cellulose.

Given the two facts above, answer the question "Plants are multicellular eukaryotes with cell walls composed primarily of what?" with the following options: 
- protein
 - plants
 - leaves
 - chemicals
 - Energy.
 - lignin
 - eukaryotes
 - Energy


 

      lignin   