Why does earth have such a diversity of plant and animal life

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

Which factors add to the greenhouse effect and are caused by human activities?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution