Why did the Chinese Government introduce the one child policy?

1) name any two states which are leading producer of cotton textile in india 2) wht information technology 3) name any two countries which are leading producers of cotton of cotton textile 4) wht is add to pig iron to convert it into steel

What term is given to the border between the central alps and the southern limestone alps?

At which point on the diagram do convection currents occur to drive plate movement?