Question

both steel and calk are solid. What properties of steel make it useful than calk for building a bridge

Answer 1

Answer:

The most important property of steel is great durability.

Explanation:

Because,the durability of the steel make the construction very hard and strong.

Answer 2

Answer:

as the particles of steel are more complexly sticked/ bonded with each other as compared to chalk and it's particles connot be seperated easily that is why steel is used for building bridges