Oil
renewable resources have a infinite supply
air pollution has no demand
Number 4 the answer is 1
Number 6 the answer is 3
Hope this helps :)
What are the themes in biology that come up again & again cellular basis of life; info & heredity; matter & energy; growth, development, & reproduction; homeostasis; evolution; structure & function; unity & diversity of life; interdependence in nature; science as a way of knowing