Which is the easiest CLEP: Chemistry. Biology, Natural Sciences or Social Sciences?

[cookderosa]

Which is the easiest CLEP: Chemistry. Biology, Natural Sciences or Social Sciences and History? Also, are there any DSST exams worth 6 credits?

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Chemistry and Biology will require a lot of study. Period.
Natural science, maybe a good choice if you have had some science in school already. It's 50% biology.
Social Science and History (not a science classification BTW) is very very general- and for me- that made it hard. I like the subjects better myself because you can target your study plan.

Those you mentioned are all 6 credit exams, but some people (me) think it's easier to take 2 each 3 credit test!