Problem: Barry and Will are two geologists. Barry is specialized in subduction zones and new seafloor. Will is specialized in montology. Which person learned less about the Ring of Fire of the Pacific Ocean?

A: Will

Problem: Two twin sisters, Bianca and Rosa, were exposed to high levels of air pollution. While Bianca was exposed mostly to indoor pollution, Rosa was heavily exposed to outdoor pollution. Which sister was more exposed to air pollution because of cutting heating costs?

A: Bianca

Problem: Big continent used more air polluting substances, while Small continent was very protective towards the environment. Big continent got a hole in its ozone layer as a consequence of their actions. Which continent used more bromine gasses?

A: Big

Problem: Microbiologist John is studying the anaerobic organism. He collected two samples of this organism, sample A and sample B. Sample A is an anaerobic organism, and sample B is specifically identified as the Clostridium perfringens obligate anaerobe. To compare these samples to other organisms he collected another microbe that is not an anaerobic organism. He labeled it as sample C. Which sample might die in presence of oxygen, sample A or sample C?

A:
sample A