Neither of those were developed to prevent global warming,in both cases that turned out to be one of the many potential positive results if the technology were widely accepted and implemented
Answer:
<h2>answer to this question is (c) </h2>
<h3>hope you are satisfied with my answer</h3>
A and B would work. In developed countries, women have less children, as the education system is better. Also, the same is for B.