Native English speakers, could you please help me with these issues?

Are these sentences correc: a) "People write about what they have INSIDE them." b) "People write about what they have ON their minds and hearts." c) "Someone with a background in the Physical Sciences will most likely have a very different outlook of the world from the average... show more Are these sentences correc:


a) "People write about what they have INSIDE them."

b) "People write about what they have ON their minds and hearts."

c) "Someone with a background in the Physical Sciences will most likely have a very different outlook of the world from the average person."

d) "As for the writing aspect of someone with a bckground in Physical Sciences, he may be in disavantage TO writers who have degrees in Literature."
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