What makes biomes different from each other?

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 of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

Explain the value of statistics and other data to positive economics and to normative economics