<span>Atmosphere is the system that includes oxygen, nitrogen, and ozone. The correct answer is C. All of these elements can be found in the air, which is a part of the atmosphere, which is why C is the correct answer. They are not found in the soil (geosphere), nor water (hydrosphere), not the living world (biosphere).Hope this helps. Let me know if you need additional help!</span><span />
It would most likely be an ethical dilemma so ||<span>A. Genetic testing may lead to difficult questions about what is best for the unborn child.||</span>
