You are presented with the question "What do plants build their cell walls from?" and the following answer choices: 
- By wind and rain
 - Deposition
 - Deposition.
 - algae
 - Chemical energy
 - plant wall
 - plant material
 - polysaccharides

Now knowing that plants use cellulose for their cell walls and another important polysaccharide is cellulose, choose the best answer.


 

        polysaccharides 