Help please with this tough question

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

How much carbon is stored in the atmosphere as co2

What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area