Select all that apply. in what way(s) did the chinese use steel and iron? a. to build submarines b. to make chains for suspension bridges c. to build the great wall d. to make agricultural tools

The correct answers are, B) to make chains for suspension bridges, and D) to make agricultural tools.

The Chinese used steel and iron to make chains for suspension bridges and to make agricultural tools.  

Since the middle age, China has used the iron to make agricultural tools and later, chains for suspenssion bridges. Although in early years most of the steel was used for war purposes, the Steel and iron industry in China has developed considerably quickly due to the market reform and the autonomy of the industry, that began in 1970, as well as new technologies to produce steel.  

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ok it is truth cause i have that 2

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