Chris drew a diagram to compare the ways in which different organisms obtain nitrogen. Venn diagram with two intersecting circles. One circle is labeled Consumers and has the label X within it. The other circle is labeled Producers.
Which label belongs in the area marked X?

breathe in from atmosphere
produce themselves
eat other organisms
absorb from soil

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

c. heat from the poles back down towards the equator.

if you listed your answers right then i believe your answer is b.