The sun produces energy from matter in its core through the process of

nuclear fusion is the answer

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

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.