Reinforced Steel
Which part of a plant is most similar to “steel Reinforced Concrete” in structure? Plz help!!?
Joseph Monier came up with the idea of steel reinforced concrete while looking at a plant crossection of:
a) roots
b) stem
c) flowers
d) leaves
The answer is ‘D. leaves.’ Think about what reinforced concrete is used for (e.g. bridges to avoid sagging). [...]