Scientists suggest that differences in density cause hot, plastic-like rock to be forced
upward toward the surface where they cool and sink. This cycle is called a
current.

i would have to say autosomal

feral cats are estimated to eat tens of millions of native animals each night in australia

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.