Que es la sinapsis eléctrica (sin pasar lo primero que aparezca :P)

b. the carbon cycle ensures living things have a source of hydrogen

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

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.