Question

which of the following is used in the preparation of bulletproof alloy steel?
a.Zirconium
b.Iron
c.Silver
d.Zinc
​

Answer 1

Answer:

I am not sure but I think the answer would be (a.)

Answer 2

Answer:

Iron

I think so

because we see movie

Avenger

So iron man

I HOPE IT WILL BE USEFUL PLS MAKE ME AS BRAINLIEST