Cold, dense water with high salinity sinks as it moves toward the equator. as it is heated, it becomes less dense and rises, moving water back toward the north pole. this describes which type of ocean current
a) surface
b) convenction
c) deep-water
d) el niño

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.

idk lol use google m8