A(n) is someone whose biological gender is ambiguous or uncertain, often having reproductive structures that may be partly male and partly female.

I think the best answer is an intersexed individual. This is someone whose biological gender is ambiguous or uncertain, often having reproductive structures that may be partly male and partly female. In this case a person is born with a reproductive or sexual anatomy that does not seem to fit the typical definitions of female or male. 

The answer is magnitude measures the effects of an earthquake on the area , while the intensity measures the strength of an earthquake.